Home / 28,586.44-42,684.17-25,605.64

Finding the Fourth Proportional to 28,586.44, 42,684.17 and 25,605.64

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Solution

The fourth proportional to 28,586.44, 42,684.17 and 25,605.64 is: 38,233.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,586.44 : 42,684.17 = 25,605.64 : x
  2. Step 2: Convert to fraction form
    28,586.44/42,684.17 = 25,605.64/x
  3. Step 3: Cross multiply
    28,586.44x = 42,684.17 × 25,605.64
  4. Step 4: Simplify right side
    28,586.44x = 1,092,955,490.72
  5. Step 5: Solve for x
    x = 1,092,955,490.72/28,586.44
  6. Step 6: Final answer
    x = 38,233.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.