Home / 27,231.64-37,551.18-21,557.32

Finding the Fourth Proportional to 27,231.64, 37,551.18 and 21,557.32

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Solution

The fourth proportional to 27,231.64, 37,551.18 and 21,557.32 is: 29,726.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,231.64 : 37,551.18 = 21,557.32 : x
  2. Step 2: Convert to fraction form
    27,231.64/37,551.18 = 21,557.32/x
  3. Step 3: Cross multiply
    27,231.64x = 37,551.18 × 21,557.32
  4. Step 4: Simplify right side
    27,231.64x = 809,502,803.64
  5. Step 5: Solve for x
    x = 809,502,803.64/27,231.64
  6. Step 6: Final answer
    x = 29,726.55

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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.