Home / 28,876.35-43,318.48-10,152.10

Finding the Fourth Proportional to 28,876.35, 43,318.48 and 10,152.10

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Solution

The fourth proportional to 28,876.35, 43,318.48 and 10,152.10 is: 15,229.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,876.35 : 43,318.48 = 10,152.10 : x
  2. Step 2: Convert to fraction form
    28,876.35/43,318.48 = 10,152.10/x
  3. Step 3: Cross multiply
    28,876.35x = 43,318.48 × 10,152.10
  4. Step 4: Simplify right side
    28,876.35x = 439,773,588.61
  5. Step 5: Solve for x
    x = 439,773,588.61/28,876.35
  6. Step 6: Final answer
    x = 15,229.54

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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.