Home / 26,649.24-36,764.42-15,316.13

Finding the Fourth Proportional to 26,649.24, 36,764.42 and 15,316.13

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Solution

The fourth proportional to 26,649.24, 36,764.42 and 15,316.13 is: 21,129.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,649.24 : 36,764.42 = 15,316.13 : x
  2. Step 2: Convert to fraction form
    26,649.24/36,764.42 = 15,316.13/x
  3. Step 3: Cross multiply
    26,649.24x = 36,764.42 × 15,316.13
  4. Step 4: Simplify right side
    26,649.24x = 563,088,375.69
  5. Step 5: Solve for x
    x = 563,088,375.69/26,649.24
  6. Step 6: Final answer
    x = 21,129.62

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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.