Home / 28,177.28-42,275.52-10,652.16

Finding the Fourth Proportional to 28,177.28, 42,275.52 and 10,652.16

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Solution

The fourth proportional to 28,177.28, 42,275.52 and 10,652.16 is: 15,981.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,177.28 : 42,275.52 = 10,652.16 : x
  2. Step 2: Convert to fraction form
    28,177.28/42,275.52 = 10,652.16/x
  3. Step 3: Cross multiply
    28,177.28x = 42,275.52 × 10,652.16
  4. Step 4: Simplify right side
    28,177.28x = 450,325,603.12
  5. Step 5: Solve for x
    x = 450,325,603.12/28,177.28
  6. Step 6: Final answer
    x = 15,981.87

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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.