Home / 28,897.10-43,345.65-25,613.90

Finding the Fourth Proportional to 28,897.10, 43,345.65 and 25,613.90

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Solution

The fourth proportional to 28,897.10, 43,345.65 and 25,613.90 is: 38,420.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,897.10 : 43,345.65 = 25,613.90 : x
  2. Step 2: Convert to fraction form
    28,897.10/43,345.65 = 25,613.90/x
  3. Step 3: Cross multiply
    28,897.10x = 43,345.65 × 25,613.90
  4. Step 4: Simplify right side
    28,897.10x = 1,110,251,144.54
  5. Step 5: Solve for x
    x = 1,110,251,144.54/28,897.10
  6. Step 6: Final answer
    x = 38,420.85

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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.