Home / 26,726.72-36,882.56-15,548.80

Finding the Fourth Proportional to 26,726.72, 36,882.56 and 15,548.80

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Solution

The fourth proportional to 26,726.72, 36,882.56 and 15,548.80 is: 21,457.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,726.72 : 36,882.56 = 15,548.80 : x
  2. Step 2: Convert to fraction form
    26,726.72/36,882.56 = 15,548.80/x
  3. Step 3: Cross multiply
    26,726.72x = 36,882.56 × 15,548.80
  4. Step 4: Simplify right side
    26,726.72x = 573,479,548.93
  5. Step 5: Solve for x
    x = 573,479,548.93/26,726.72
  6. Step 6: Final answer
    x = 21,457.16

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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.