Home / 28,232.71-42,312.12-11,573.23

Finding the Fourth Proportional to 28,232.71, 42,312.12 and 11,573.23

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Solution

The fourth proportional to 28,232.71, 42,312.12 and 11,573.23 is: 17,344.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,232.71 : 42,312.12 = 11,573.23 : x
  2. Step 2: Convert to fraction form
    28,232.71/42,312.12 = 11,573.23/x
  3. Step 3: Cross multiply
    28,232.71x = 42,312.12 × 11,573.23
  4. Step 4: Simplify right side
    28,232.71x = 489,687,896.55
  5. Step 5: Solve for x
    x = 489,687,896.55/28,232.71
  6. Step 6: Final answer
    x = 17,344.70

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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.