Home / 28,199.08-38,912.13-16,260.11

Finding the Fourth Proportional to 28,199.08, 38,912.13 and 16,260.11

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Solution

The fourth proportional to 28,199.08, 38,912.13 and 16,260.11 is: 22,437.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,199.08 : 38,912.13 = 16,260.11 : x
  2. Step 2: Convert to fraction form
    28,199.08/38,912.13 = 16,260.11/x
  3. Step 3: Cross multiply
    28,199.08x = 38,912.13 × 16,260.11
  4. Step 4: Simplify right side
    28,199.08x = 632,715,319.57
  5. Step 5: Solve for x
    x = 632,715,319.57/28,199.08
  6. Step 6: Final answer
    x = 22,437.45

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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.