Home / 26,772.31-36,928.47-21,098.26

Finding the Fourth Proportional to 26,772.31, 36,928.47 and 21,098.26

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Solution

The fourth proportional to 26,772.31, 36,928.47 and 21,098.26 is: 29,101.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,772.31 : 36,928.47 = 21,098.26 : x
  2. Step 2: Convert to fraction form
    26,772.31/36,928.47 = 21,098.26/x
  3. Step 3: Cross multiply
    26,772.31x = 36,928.47 × 21,098.26
  4. Step 4: Simplify right side
    26,772.31x = 779,126,461.46
  5. Step 5: Solve for x
    x = 779,126,461.46/26,772.31
  6. Step 6: Final answer
    x = 29,101.95

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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.