Home / 28,240.52-42,348.47-9,517.07

Finding the Fourth Proportional to 28,240.52, 42,348.47 and 9,517.07

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Solution

The fourth proportional to 28,240.52, 42,348.47 and 9,517.07 is: 14,271.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,240.52 : 42,348.47 = 9,517.07 : x
  2. Step 2: Convert to fraction form
    28,240.52/42,348.47 = 9,517.07/x
  3. Step 3: Cross multiply
    28,240.52x = 42,348.47 × 9,517.07
  4. Step 4: Simplify right side
    28,240.52x = 403,033,353.38
  5. Step 5: Solve for x
    x = 403,033,353.38/28,240.52
  6. Step 6: Final answer
    x = 14,271.46

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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.