Home / 28,158.52-38,843.19-18,088.45

Finding the Fourth Proportional to 28,158.52, 38,843.19 and 18,088.45

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Solution

The fourth proportional to 28,158.52, 38,843.19 and 18,088.45 is: 24,952.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,158.52 : 38,843.19 = 18,088.45 : x
  2. Step 2: Convert to fraction form
    28,158.52/38,843.19 = 18,088.45/x
  3. Step 3: Cross multiply
    28,158.52x = 38,843.19 × 18,088.45
  4. Step 4: Simplify right side
    28,158.52x = 702,613,100.16
  5. Step 5: Solve for x
    x = 702,613,100.16/28,158.52
  6. Step 6: Final answer
    x = 24,952.06

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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.