Home / 25,220.43-37,840.86-13,387.55

Finding the Fourth Proportional to 25,220.43, 37,840.86 and 13,387.55

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Solution

The fourth proportional to 25,220.43, 37,840.86 and 13,387.55 is: 20,086.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,220.43 : 37,840.86 = 13,387.55 : x
  2. Step 2: Convert to fraction form
    25,220.43/37,840.86 = 13,387.55/x
  3. Step 3: Cross multiply
    25,220.43x = 37,840.86 × 13,387.55
  4. Step 4: Simplify right side
    25,220.43x = 506,596,216.09
  5. Step 5: Solve for x
    x = 506,596,216.09/25,220.43
  6. Step 6: Final answer
    x = 20,086.74

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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.