Home / 28,149.46-38,855.29-18,597.82

Finding the Fourth Proportional to 28,149.46, 38,855.29 and 18,597.82

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Solution

The fourth proportional to 28,149.46, 38,855.29 and 18,597.82 is: 25,670.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,149.46 : 38,855.29 = 18,597.82 : x
  2. Step 2: Convert to fraction form
    28,149.46/38,855.29 = 18,597.82/x
  3. Step 3: Cross multiply
    28,149.46x = 38,855.29 × 18,597.82
  4. Step 4: Simplify right side
    28,149.46x = 722,623,679.71
  5. Step 5: Solve for x
    x = 722,623,679.71/28,149.46
  6. Step 6: Final answer
    x = 25,670.96

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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.