Home / 28,044.54-38,691.76-17,978.54

Finding the Fourth Proportional to 28,044.54, 38,691.76 and 17,978.54

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Solution

The fourth proportional to 28,044.54, 38,691.76 and 17,978.54 is: 24,804.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,044.54 : 38,691.76 = 17,978.54 : x
  2. Step 2: Convert to fraction form
    28,044.54/38,691.76 = 17,978.54/x
  3. Step 3: Cross multiply
    28,044.54x = 38,691.76 × 17,978.54
  4. Step 4: Simplify right side
    28,044.54x = 695,621,354.83
  5. Step 5: Solve for x
    x = 695,621,354.83/28,044.54
  6. Step 6: Final answer
    x = 24,804.16

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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.