Home / 28,728.30-42,814.17-27,233.63

Finding the Fourth Proportional to 28,728.30, 42,814.17 and 27,233.63

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Solution

The fourth proportional to 28,728.30, 42,814.17 and 27,233.63 is: 40,586.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,728.30 : 42,814.17 = 27,233.63 : x
  2. Step 2: Convert to fraction form
    28,728.30/42,814.17 = 27,233.63/x
  3. Step 3: Cross multiply
    28,728.30x = 42,814.17 × 27,233.63
  4. Step 4: Simplify right side
    28,728.30x = 1,165,985,050.47
  5. Step 5: Solve for x
    x = 1,165,985,050.47/28,728.30
  6. Step 6: Final answer
    x = 40,586.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.