Home / 26,872.43-37,081.28-15,541.07

Finding the Fourth Proportional to 26,872.43, 37,081.28 and 15,541.07

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Solution

The fourth proportional to 26,872.43, 37,081.28 and 15,541.07 is: 21,445.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,872.43 : 37,081.28 = 15,541.07 : x
  2. Step 2: Convert to fraction form
    26,872.43/37,081.28 = 15,541.07/x
  3. Step 3: Cross multiply
    26,872.43x = 37,081.28 × 15,541.07
  4. Step 4: Simplify right side
    26,872.43x = 576,282,690.46
  5. Step 5: Solve for x
    x = 576,282,690.46/26,872.43
  6. Step 6: Final answer
    x = 21,445.13

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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.