Home / 28,299.83-42,420.54-9,573.71

Finding the Fourth Proportional to 28,299.83, 42,420.54 and 9,573.71

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Solution

The fourth proportional to 28,299.83, 42,420.54 and 9,573.71 is: 14,350.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,299.83 : 42,420.54 = 9,573.71 : x
  2. Step 2: Convert to fraction form
    28,299.83/42,420.54 = 9,573.71/x
  3. Step 3: Cross multiply
    28,299.83x = 42,420.54 × 9,573.71
  4. Step 4: Simplify right side
    28,299.83x = 406,121,948.00
  5. Step 5: Solve for x
    x = 406,121,948.00/28,299.83
  6. Step 6: Final answer
    x = 14,350.69

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1.5x scale

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.