Home / 28,248.66-42,371.88-8,526.68

Finding the Fourth Proportional to 28,248.66, 42,371.88 and 8,526.68

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Solution

The fourth proportional to 28,248.66, 42,371.88 and 8,526.68 is: 12,789.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,248.66 : 42,371.88 = 8,526.68 : x
  2. Step 2: Convert to fraction form
    28,248.66/42,371.88 = 8,526.68/x
  3. Step 3: Cross multiply
    28,248.66x = 42,371.88 × 8,526.68
  4. Step 4: Simplify right side
    28,248.66x = 361,291,461.76
  5. Step 5: Solve for x
    x = 361,291,461.76/28,248.66
  6. Step 6: Final answer
    x = 12,789.68

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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.