Home / 71,567.28-107,364.56-28,876.10

Finding the Fourth Proportional to 71,567.28, 107,364.56 and 28,876.10

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Solution

The fourth proportional to 71,567.28, 107,364.56 and 28,876.10 is: 43,319.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,567.28 : 107,364.56 = 28,876.10 : x
  2. Step 2: Convert to fraction form
    71,567.28/107,364.56 = 28,876.10/x
  3. Step 3: Cross multiply
    71,567.28x = 107,364.56 × 28,876.10
  4. Step 4: Simplify right side
    71,567.28x = 3,100,269,089.81
  5. Step 5: Solve for x
    x = 3,100,269,089.81/71,567.28
  6. Step 6: Final answer
    x = 43,319.64

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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.