Home / 28,012.46-42,035.09-15,542.91

Finding the Fourth Proportional to 28,012.46, 42,035.09 and 15,542.91

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Solution

The fourth proportional to 28,012.46, 42,035.09 and 15,542.91 is: 23,323.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,012.46 : 42,035.09 = 15,542.91 : x
  2. Step 2: Convert to fraction form
    28,012.46/42,035.09 = 15,542.91/x
  3. Step 3: Cross multiply
    28,012.46x = 42,035.09 × 15,542.91
  4. Step 4: Simplify right side
    28,012.46x = 653,347,543.00
  5. Step 5: Solve for x
    x = 653,347,543.00/28,012.46
  6. Step 6: Final answer
    x = 23,323.47

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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.