Home / 28,253.28-42,363.49-10,713.54

Finding the Fourth Proportional to 28,253.28, 42,363.49 and 10,713.54

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Solution

The fourth proportional to 28,253.28, 42,363.49 and 10,713.54 is: 16,064.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,253.28 : 42,363.49 = 10,713.54 : x
  2. Step 2: Convert to fraction form
    28,253.28/42,363.49 = 10,713.54/x
  3. Step 3: Cross multiply
    28,253.28x = 42,363.49 × 10,713.54
  4. Step 4: Simplify right side
    28,253.28x = 453,862,944.65
  5. Step 5: Solve for x
    x = 453,862,944.65/28,253.28
  6. Step 6: Final answer
    x = 16,064.08

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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.