Home / 25,461.80-35,136.75-14,130.64

Finding the Fourth Proportional to 25,461.80, 35,136.75 and 14,130.64

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Solution

The fourth proportional to 25,461.80, 35,136.75 and 14,130.64 is: 19,499.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,461.80 : 35,136.75 = 14,130.64 : x
  2. Step 2: Convert to fraction form
    25,461.80/35,136.75 = 14,130.64/x
  3. Step 3: Cross multiply
    25,461.80x = 35,136.75 × 14,130.64
  4. Step 4: Simplify right side
    25,461.80x = 496,504,664.29
  5. Step 5: Solve for x
    x = 496,504,664.29/25,461.80
  6. Step 6: Final answer
    x = 19,499.98

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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.