Home / 26,318.74-36,322.02-14,991.78

Finding the Fourth Proportional to 26,318.74, 36,322.02 and 14,991.78

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Solution

The fourth proportional to 26,318.74, 36,322.02 and 14,991.78 is: 20,689.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,318.74 : 36,322.02 = 14,991.78 : x
  2. Step 2: Convert to fraction form
    26,318.74/36,322.02 = 14,991.78/x
  3. Step 3: Cross multiply
    26,318.74x = 36,322.02 × 14,991.78
  4. Step 4: Simplify right side
    26,318.74x = 544,531,869.20
  5. Step 5: Solve for x
    x = 544,531,869.20/26,318.74
  6. Step 6: Final answer
    x = 20,689.89

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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.