Home / 42,995.28-59,318.28-28,099.92

Finding the Fourth Proportional to 42,995.28, 59,318.28 and 28,099.92

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Solution

The fourth proportional to 42,995.28, 59,318.28 and 28,099.92 is: 38,767.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,995.28 : 59,318.28 = 28,099.92 : x
  2. Step 2: Convert to fraction form
    42,995.28/59,318.28 = 28,099.92/x
  3. Step 3: Cross multiply
    42,995.28x = 59,318.28 × 28,099.92
  4. Step 4: Simplify right side
    42,995.28x = 1,666,838,922.54
  5. Step 5: Solve for x
    x = 1,666,838,922.54/42,995.28
  6. Step 6: Final answer
    x = 38,767.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.