Home / 27,655.56-38,165.46-15,081

Finding the Fourth Proportional to 27,655.56, 38,165.46 and 15,081

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Solution

The fourth proportional to 27,655.56, 38,165.46 and 15,081 is: 20,812.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,655.56 : 38,165.46 = 15,081 : x
  2. Step 2: Convert to fraction form
    27,655.56/38,165.46 = 15,081/x
  3. Step 3: Cross multiply
    27,655.56x = 38,165.46 × 15,081
  4. Step 4: Simplify right side
    27,655.56x = 575,573,302.26
  5. Step 5: Solve for x
    x = 575,573,302.26/27,655.56
  6. Step 6: Final answer
    x = 20,812.21

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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.