Home / 25,342.11-37,983.96-13,630.71

Finding the Fourth Proportional to 25,342.11, 37,983.96 and 13,630.71

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Solution

The fourth proportional to 25,342.11, 37,983.96 and 13,630.71 is: 20,430.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,342.11 : 37,983.96 = 13,630.71 : x
  2. Step 2: Convert to fraction form
    25,342.11/37,983.96 = 13,630.71/x
  3. Step 3: Cross multiply
    25,342.11x = 37,983.96 × 13,630.71
  4. Step 4: Simplify right side
    25,342.11x = 517,748,343.41
  5. Step 5: Solve for x
    x = 517,748,343.41/25,342.11
  6. Step 6: Final answer
    x = 20,430.36

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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.