Home / 26,875.18-37,062.32-20,490.56

Finding the Fourth Proportional to 26,875.18, 37,062.32 and 20,490.56

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Solution

The fourth proportional to 26,875.18, 37,062.32 and 20,490.56 is: 28,257.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,875.18 : 37,062.32 = 20,490.56 : x
  2. Step 2: Convert to fraction form
    26,875.18/37,062.32 = 20,490.56/x
  3. Step 3: Cross multiply
    26,875.18x = 37,062.32 × 20,490.56
  4. Step 4: Simplify right side
    26,875.18x = 759,427,691.70
  5. Step 5: Solve for x
    x = 759,427,691.70/26,875.18
  6. Step 6: Final answer
    x = 28,257.59

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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.