Home / 25,461.35-35,136.14-14,130.76

Finding the Fourth Proportional to 25,461.35, 35,136.14 and 14,130.76

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Solution

The fourth proportional to 25,461.35, 35,136.14 and 14,130.76 is: 19,500.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,461.35 : 35,136.14 = 14,130.76 : x
  2. Step 2: Convert to fraction form
    25,461.35/35,136.14 = 14,130.76/x
  3. Step 3: Cross multiply
    25,461.35x = 35,136.14 × 14,130.76
  4. Step 4: Simplify right side
    25,461.35x = 496,500,361.67
  5. Step 5: Solve for x
    x = 496,500,361.67/25,461.35
  6. Step 6: Final answer
    x = 19,500.16

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.