Home / 25,417.52-38,094.12-12,918.80

Finding the Fourth Proportional to 25,417.52, 38,094.12 and 12,918.80

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Solution

The fourth proportional to 25,417.52, 38,094.12 and 12,918.80 is: 19,361.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,417.52 : 38,094.12 = 12,918.80 : x
  2. Step 2: Convert to fraction form
    25,417.52/38,094.12 = 12,918.80/x
  3. Step 3: Cross multiply
    25,417.52x = 38,094.12 × 12,918.80
  4. Step 4: Simplify right side
    25,417.52x = 492,130,317.46
  5. Step 5: Solve for x
    x = 492,130,317.46/25,417.52
  6. Step 6: Final answer
    x = 19,361.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.