Home / 52,022.15-71,790.36-28,148.72

Finding the Fourth Proportional to 52,022.15, 71,790.36 and 28,148.72

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Solution

The fourth proportional to 52,022.15, 71,790.36 and 28,148.72 is: 38,845.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,022.15 : 71,790.36 = 28,148.72 : x
  2. Step 2: Convert to fraction form
    52,022.15/71,790.36 = 28,148.72/x
  3. Step 3: Cross multiply
    52,022.15x = 71,790.36 × 28,148.72
  4. Step 4: Simplify right side
    52,022.15x = 2,020,806,383.39
  5. Step 5: Solve for x
    x = 2,020,806,383.39/52,022.15
  6. Step 6: Final answer
    x = 38,845.12

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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.