Home / 27,610.43-38,100.15-15,510.26

Finding the Fourth Proportional to 27,610.43, 38,100.15 and 15,510.26

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Solution

The fourth proportional to 27,610.43, 38,100.15 and 15,510.26 is: 21,402.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,610.43 : 38,100.15 = 15,510.26 : x
  2. Step 2: Convert to fraction form
    27,610.43/38,100.15 = 15,510.26/x
  3. Step 3: Cross multiply
    27,610.43x = 38,100.15 × 15,510.26
  4. Step 4: Simplify right side
    27,610.43x = 590,943,105.53
  5. Step 5: Solve for x
    x = 590,943,105.53/27,610.43
  6. Step 6: Final answer
    x = 21,402.89

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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.