Home / 18,571.32-27,663.96-17,565.28

Finding the Fourth Proportional to 18,571.32, 27,663.96 and 17,565.28

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Solution

The fourth proportional to 18,571.32, 27,663.96 and 17,565.28 is: 26,165.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,571.32 : 27,663.96 = 17,565.28 : x
  2. Step 2: Convert to fraction form
    18,571.32/27,663.96 = 17,565.28/x
  3. Step 3: Cross multiply
    18,571.32x = 27,663.96 × 17,565.28
  4. Step 4: Simplify right side
    18,571.32x = 485,925,203.31
  5. Step 5: Solve for x
    x = 485,925,203.31/18,571.32
  6. Step 6: Final answer
    x = 26,165.36

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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.