Home / 28,225.31-38,952.19-16,892.65

Finding the Fourth Proportional to 28,225.31, 38,952.19 and 16,892.65

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Solution

The fourth proportional to 28,225.31, 38,952.19 and 16,892.65 is: 23,312.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,225.31 : 38,952.19 = 16,892.65 : x
  2. Step 2: Convert to fraction form
    28,225.31/38,952.19 = 16,892.65/x
  3. Step 3: Cross multiply
    28,225.31x = 38,952.19 × 16,892.65
  4. Step 4: Simplify right side
    28,225.31x = 658,005,782.21
  5. Step 5: Solve for x
    x = 658,005,782.21/28,225.31
  6. Step 6: Final answer
    x = 23,312.61

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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.