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Finding the Fourth Proportional to 56,897.25, 85,345.88 and 15,344.25

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Solution

The fourth proportional to 56,897.25, 85,345.88 and 15,344.25 is: 23,016.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,897.25 : 85,345.88 = 15,344.25 : x
  2. Step 2: Convert to fraction form
    56,897.25/85,345.88 = 15,344.25/x
  3. Step 3: Cross multiply
    56,897.25x = 85,345.88 × 15,344.25
  4. Step 4: Simplify right side
    56,897.25x = 1,309,568,442.47
  5. Step 5: Solve for x
    x = 1,309,568,442.47/56,897.25
  6. Step 6: Final answer
    x = 23,016.38

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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.