Home / 28,237.77-42,354.35-9,517.40

Finding the Fourth Proportional to 28,237.77, 42,354.35 and 9,517.40

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Solution

The fourth proportional to 28,237.77, 42,354.35 and 9,517.40 is: 14,275.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,237.77 : 42,354.35 = 9,517.40 : x
  2. Step 2: Convert to fraction form
    28,237.77/42,354.35 = 9,517.40/x
  3. Step 3: Cross multiply
    28,237.77x = 42,354.35 × 9,517.40
  4. Step 4: Simplify right side
    28,237.77x = 403,103,031.33
  5. Step 5: Solve for x
    x = 403,103,031.33/28,237.77
  6. Step 6: Final answer
    x = 14,275.31

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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.