Home / 28,240.60-42,344.68-10,699.24

Finding the Fourth Proportional to 28,240.60, 42,344.68 and 10,699.24

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Solution

The fourth proportional to 28,240.60, 42,344.68 and 10,699.24 is: 16,042.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,240.60 : 42,344.68 = 10,699.24 : x
  2. Step 2: Convert to fraction form
    28,240.60/42,344.68 = 10,699.24/x
  3. Step 3: Cross multiply
    28,240.60x = 42,344.68 × 10,699.24
  4. Step 4: Simplify right side
    28,240.60x = 453,055,894.04
  5. Step 5: Solve for x
    x = 453,055,894.04/28,240.60
  6. Step 6: Final answer
    x = 16,042.71

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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.