Home / 27,656.24-38,165.64-15,081.20

Finding the Fourth Proportional to 27,656.24, 38,165.64 and 15,081.20

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Solution

The fourth proportional to 27,656.24, 38,165.64 and 15,081.20 is: 20,812.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,656.24 : 38,165.64 = 15,081.20 : x
  2. Step 2: Convert to fraction form
    27,656.24/38,165.64 = 15,081.20/x
  3. Step 3: Cross multiply
    27,656.24x = 38,165.64 × 15,081.20
  4. Step 4: Simplify right side
    27,656.24x = 575,583,649.97
  5. Step 5: Solve for x
    x = 575,583,649.97/27,656.24
  6. Step 6: Final answer
    x = 20,812.07

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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.