Home / 28,299.73-42,461.72-9,581.74

Finding the Fourth Proportional to 28,299.73, 42,461.72 and 9,581.74

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Solution

The fourth proportional to 28,299.73, 42,461.72 and 9,581.74 is: 14,376.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,299.73 : 42,461.72 = 9,581.74 : x
  2. Step 2: Convert to fraction form
    28,299.73/42,461.72 = 9,581.74/x
  3. Step 3: Cross multiply
    28,299.73x = 42,461.72 × 9,581.74
  4. Step 4: Simplify right side
    28,299.73x = 406,857,281.71
  5. Step 5: Solve for x
    x = 406,857,281.71/28,299.73
  6. Step 6: Final answer
    x = 14,376.72

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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.