Home / 26,957.60-37,182.48-15,781.76

Finding the Fourth Proportional to 26,957.60, 37,182.48 and 15,781.76

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Solution

The fourth proportional to 26,957.60, 37,182.48 and 15,781.76 is: 21,767.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,957.60 : 37,182.48 = 15,781.76 : x
  2. Step 2: Convert to fraction form
    26,957.60/37,182.48 = 15,781.76/x
  3. Step 3: Cross multiply
    26,957.60x = 37,182.48 × 15,781.76
  4. Step 4: Simplify right side
    26,957.60x = 586,804,975.56
  5. Step 5: Solve for x
    x = 586,804,975.56/26,957.60
  6. Step 6: Final answer
    x = 21,767.70

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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.