Home / 52,128.95-71,938.33-28,255.79

Finding the Fourth Proportional to 52,128.95, 71,938.33 and 28,255.79

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Solution

The fourth proportional to 52,128.95, 71,938.33 and 28,255.79 is: 38,993.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,128.95 : 71,938.33 = 28,255.79 : x
  2. Step 2: Convert to fraction form
    52,128.95/71,938.33 = 28,255.79/x
  3. Step 3: Cross multiply
    52,128.95x = 71,938.33 × 28,255.79
  4. Step 4: Simplify right side
    52,128.95x = 2,032,674,454.64
  5. Step 5: Solve for x
    x = 2,032,674,454.64/52,128.95
  6. Step 6: Final answer
    x = 38,993.20

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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.