Home / 20,842.02-31,207.67-16,293.75

Finding the Fourth Proportional to 20,842.02, 31,207.67 and 16,293.75

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Solution

The fourth proportional to 20,842.02, 31,207.67 and 16,293.75 is: 24,397.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,842.02 : 31,207.67 = 16,293.75 : x
  2. Step 2: Convert to fraction form
    20,842.02/31,207.67 = 16,293.75/x
  3. Step 3: Cross multiply
    20,842.02x = 31,207.67 × 16,293.75
  4. Step 4: Simplify right side
    20,842.02x = 508,489,973.06
  5. Step 5: Solve for x
    x = 508,489,973.06/20,842.02
  6. Step 6: Final answer
    x = 24,397.35

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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.