Home / 28,182.89-42,275.03-9,463.55

Finding the Fourth Proportional to 28,182.89, 42,275.03 and 9,463.55

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Solution

The fourth proportional to 28,182.89, 42,275.03 and 9,463.55 is: 14,195.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,182.89 : 42,275.03 = 9,463.55 : x
  2. Step 2: Convert to fraction form
    28,182.89/42,275.03 = 9,463.55/x
  3. Step 3: Cross multiply
    28,182.89x = 42,275.03 × 9,463.55
  4. Step 4: Simplify right side
    28,182.89x = 400,071,601.46
  5. Step 5: Solve for x
    x = 400,071,601.46/28,182.89
  6. Step 6: Final answer
    x = 14,195.55

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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.