Home / 28,680.96-43,024.08-11,152.10

Finding the Fourth Proportional to 28,680.96, 43,024.08 and 11,152.10

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Solution

The fourth proportional to 28,680.96, 43,024.08 and 11,152.10 is: 16,729.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,680.96 : 43,024.08 = 11,152.10 : x
  2. Step 2: Convert to fraction form
    28,680.96/43,024.08 = 11,152.10/x
  3. Step 3: Cross multiply
    28,680.96x = 43,024.08 × 11,152.10
  4. Step 4: Simplify right side
    28,680.96x = 479,808,842.57
  5. Step 5: Solve for x
    x = 479,808,842.57/28,680.96
  6. Step 6: Final answer
    x = 16,729.18

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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.