Home / 38,777.95-58,167.15-13,818.97

Finding the Fourth Proportional to 38,777.95, 58,167.15 and 13,818.97

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Solution

The fourth proportional to 38,777.95, 58,167.15 and 13,818.97 is: 20,728.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,777.95 : 58,167.15 = 13,818.97 : x
  2. Step 2: Convert to fraction form
    38,777.95/58,167.15 = 13,818.97/x
  3. Step 3: Cross multiply
    38,777.95x = 58,167.15 × 13,818.97
  4. Step 4: Simplify right side
    38,777.95x = 803,810,100.84
  5. Step 5: Solve for x
    x = 803,810,100.84/38,777.95
  6. Step 6: Final answer
    x = 20,728.54

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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.