Home / 28,217.52-42,315.56-9,237.73

Finding the Fourth Proportional to 28,217.52, 42,315.56 and 9,237.73

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Solution

The fourth proportional to 28,217.52, 42,315.56 and 9,237.73 is: 13,853.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,217.52 : 42,315.56 = 9,237.73 : x
  2. Step 2: Convert to fraction form
    28,217.52/42,315.56 = 9,237.73/x
  3. Step 3: Cross multiply
    28,217.52x = 42,315.56 × 9,237.73
  4. Step 4: Simplify right side
    28,217.52x = 390,899,718.08
  5. Step 5: Solve for x
    x = 390,899,718.08/28,217.52
  6. Step 6: Final answer
    x = 13,853.09

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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.