Home / 19,877.44-29,777.28-15,237.76

Finding the Fourth Proportional to 19,877.44, 29,777.28 and 15,237.76

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Solution

The fourth proportional to 19,877.44, 29,777.28 and 15,237.76 is: 22,826.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,877.44 : 29,777.28 = 15,237.76 : x
  2. Step 2: Convert to fraction form
    19,877.44/29,777.28 = 15,237.76/x
  3. Step 3: Cross multiply
    19,877.44x = 29,777.28 × 15,237.76
  4. Step 4: Simplify right side
    19,877.44x = 453,739,046.09
  5. Step 5: Solve for x
    x = 453,739,046.09/19,877.44
  6. Step 6: Final answer
    x = 22,826.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.