Home / 28,876.32-39,844.20-16,301.16

Finding the Fourth Proportional to 28,876.32, 39,844.20 and 16,301.16

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Solution

The fourth proportional to 28,876.32, 39,844.20 and 16,301.16 is: 22,492.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,876.32 : 39,844.20 = 16,301.16 : x
  2. Step 2: Convert to fraction form
    28,876.32/39,844.20 = 16,301.16/x
  3. Step 3: Cross multiply
    28,876.32x = 39,844.20 × 16,301.16
  4. Step 4: Simplify right side
    28,876.32x = 649,506,679.27
  5. Step 5: Solve for x
    x = 649,506,679.27/28,876.32
  6. Step 6: Final answer
    x = 22,492.71

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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.