Home / 28,867.13-43,301.95-9,147.14

Finding the Fourth Proportional to 28,867.13, 43,301.95 and 9,147.14

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Solution

The fourth proportional to 28,867.13, 43,301.95 and 9,147.14 is: 13,721.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,867.13 : 43,301.95 = 9,147.14 : x
  2. Step 2: Convert to fraction form
    28,867.13/43,301.95 = 9,147.14/x
  3. Step 3: Cross multiply
    28,867.13x = 43,301.95 × 9,147.14
  4. Step 4: Simplify right side
    28,867.13x = 396,088,759.55
  5. Step 5: Solve for x
    x = 396,088,759.55/28,867.13
  6. Step 6: Final answer
    x = 13,721.10

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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.