Home / 28,320.63-42,672.78-23,498.30

Finding the Fourth Proportional to 28,320.63, 42,672.78 and 23,498.30

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Solution

The fourth proportional to 28,320.63, 42,672.78 and 23,498.30 is: 35,406.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,320.63 : 42,672.78 = 23,498.30 : x
  2. Step 2: Convert to fraction form
    28,320.63/42,672.78 = 23,498.30/x
  3. Step 3: Cross multiply
    28,320.63x = 42,672.78 × 23,498.30
  4. Step 4: Simplify right side
    28,320.63x = 1,002,737,572.91
  5. Step 5: Solve for x
    x = 1,002,737,572.91/28,320.63
  6. Step 6: Final answer
    x = 35,406.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.