Home / 28,211.38-42,314.67-11,566.66

Finding the Fourth Proportional to 28,211.38, 42,314.67 and 11,566.66

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Solution

The fourth proportional to 28,211.38, 42,314.67 and 11,566.66 is: 17,349.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,211.38 : 42,314.67 = 11,566.66 : x
  2. Step 2: Convert to fraction form
    28,211.38/42,314.67 = 11,566.66/x
  3. Step 3: Cross multiply
    28,211.38x = 42,314.67 × 11,566.66
  4. Step 4: Simplify right side
    28,211.38x = 489,439,400.90
  5. Step 5: Solve for x
    x = 489,439,400.90/28,211.38
  6. Step 6: Final answer
    x = 17,349.01

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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.