Home / 28,366.50-42,569.19-9,898.50

Finding the Fourth Proportional to 28,366.50, 42,569.19 and 9,898.50

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Solution

The fourth proportional to 28,366.50, 42,569.19 and 9,898.50 is: 14,854.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,366.50 : 42,569.19 = 9,898.50 : x
  2. Step 2: Convert to fraction form
    28,366.50/42,569.19 = 9,898.50/x
  3. Step 3: Cross multiply
    28,366.50x = 42,569.19 × 9,898.50
  4. Step 4: Simplify right side
    28,366.50x = 421,371,127.22
  5. Step 5: Solve for x
    x = 421,371,127.22/28,366.50
  6. Step 6: Final answer
    x = 14,854.53

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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.