Home / 18,572.32-27,665.45-17,566.28

Finding the Fourth Proportional to 18,572.32, 27,665.45 and 17,566.28

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Solution

The fourth proportional to 18,572.32, 27,665.45 and 17,566.28 is: 26,166.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,572.32 : 27,665.45 = 17,566.28 : x
  2. Step 2: Convert to fraction form
    18,572.32/27,665.45 = 17,566.28/x
  3. Step 3: Cross multiply
    18,572.32x = 27,665.45 × 17,566.28
  4. Step 4: Simplify right side
    18,572.32x = 485,979,041.03
  5. Step 5: Solve for x
    x = 485,979,041.03/18,572.32
  6. Step 6: Final answer
    x = 26,166.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.