Home / 28,278.27-42,411.90-8,552.19

Finding the Fourth Proportional to 28,278.27, 42,411.90 and 8,552.19

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Solution

The fourth proportional to 28,278.27, 42,411.90 and 8,552.19 is: 12,826.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,278.27 : 42,411.90 = 8,552.19 : x
  2. Step 2: Convert to fraction form
    28,278.27/42,411.90 = 8,552.19/x
  3. Step 3: Cross multiply
    28,278.27x = 42,411.90 × 8,552.19
  4. Step 4: Simplify right side
    28,278.27x = 362,714,627.06
  5. Step 5: Solve for x
    x = 362,714,627.06/28,278.27
  6. Step 6: Final answer
    x = 12,826.62

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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.