Home / 27,359.08-37,761.06-21,378.92

Finding the Fourth Proportional to 27,359.08, 37,761.06 and 21,378.92

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Solution

The fourth proportional to 27,359.08, 37,761.06 and 21,378.92 is: 29,507.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,359.08 : 37,761.06 = 21,378.92 : x
  2. Step 2: Convert to fraction form
    27,359.08/37,761.06 = 21,378.92/x
  3. Step 3: Cross multiply
    27,359.08x = 37,761.06 × 21,378.92
  4. Step 4: Simplify right side
    27,359.08x = 807,290,680.86
  5. Step 5: Solve for x
    x = 807,290,680.86/27,359.08
  6. Step 6: Final answer
    x = 29,507.23

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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.