Home / 38,398.32-57,587.76-12,089.52

Finding the Fourth Proportional to 38,398.32, 57,587.76 and 12,089.52

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Solution

The fourth proportional to 38,398.32, 57,587.76 and 12,089.52 is: 18,131.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,398.32 : 57,587.76 = 12,089.52 : x
  2. Step 2: Convert to fraction form
    38,398.32/57,587.76 = 12,089.52/x
  3. Step 3: Cross multiply
    38,398.32x = 57,587.76 × 12,089.52
  4. Step 4: Simplify right side
    38,398.32x = 696,208,376.28
  5. Step 5: Solve for x
    x = 696,208,376.28/38,398.32
  6. Step 6: Final answer
    x = 18,131.22

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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.