Home / 26,689.41-36,831.24-15,359.13

Finding the Fourth Proportional to 26,689.41, 36,831.24 and 15,359.13

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Solution

The fourth proportional to 26,689.41, 36,831.24 and 15,359.13 is: 21,195.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,689.41 : 36,831.24 = 15,359.13 : x
  2. Step 2: Convert to fraction form
    26,689.41/36,831.24 = 15,359.13/x
  3. Step 3: Cross multiply
    26,689.41x = 36,831.24 × 15,359.13
  4. Step 4: Simplify right side
    26,689.41x = 565,695,803.22
  5. Step 5: Solve for x
    x = 565,695,803.22/26,689.41
  6. Step 6: Final answer
    x = 21,195.52

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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.