Home / 28,033.29-42,042.76-8,307.24

Finding the Fourth Proportional to 28,033.29, 42,042.76 and 8,307.24

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Solution

The fourth proportional to 28,033.29, 42,042.76 and 8,307.24 is: 12,458.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,033.29 : 42,042.76 = 8,307.24 : x
  2. Step 2: Convert to fraction form
    28,033.29/42,042.76 = 8,307.24/x
  3. Step 3: Cross multiply
    28,033.29x = 42,042.76 × 8,307.24
  4. Step 4: Simplify right side
    28,033.29x = 349,259,402.37
  5. Step 5: Solve for x
    x = 349,259,402.37/28,033.29
  6. Step 6: Final answer
    x = 12,458.74

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Similar ratio
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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.