Home / 39,287.90-54,210.12-25,672.34

Finding the Fourth Proportional to 39,287.90, 54,210.12 and 25,672.34

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Solution

The fourth proportional to 39,287.90, 54,210.12 and 25,672.34 is: 35,423.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,287.90 : 54,210.12 = 25,672.34 : x
  2. Step 2: Convert to fraction form
    39,287.90/54,210.12 = 25,672.34/x
  3. Step 3: Cross multiply
    39,287.90x = 54,210.12 × 25,672.34
  4. Step 4: Simplify right side
    39,287.90x = 1,391,700,361.03
  5. Step 5: Solve for x
    x = 1,391,700,361.03/39,287.90
  6. Step 6: Final answer
    x = 35,423.13

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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.