Home / 28,037.80-42,115.20-23,663.80

Finding the Fourth Proportional to 28,037.80, 42,115.20 and 23,663.80

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Solution

The fourth proportional to 28,037.80, 42,115.20 and 23,663.80 is: 35,545.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,037.80 : 42,115.20 = 23,663.80 : x
  2. Step 2: Convert to fraction form
    28,037.80/42,115.20 = 23,663.80/x
  3. Step 3: Cross multiply
    28,037.80x = 42,115.20 × 23,663.80
  4. Step 4: Simplify right side
    28,037.80x = 996,605,669.76
  5. Step 5: Solve for x
    x = 996,605,669.76/28,037.80
  6. Step 6: Final answer
    x = 35,545.07

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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.