Home / 52,280.90-72,147.95-28,407.57

Finding the Fourth Proportional to 52,280.90, 72,147.95 and 28,407.57

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Solution

The fourth proportional to 52,280.90, 72,147.95 and 28,407.57 is: 39,202.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,280.90 : 72,147.95 = 28,407.57 : x
  2. Step 2: Convert to fraction form
    52,280.90/72,147.95 = 28,407.57/x
  3. Step 3: Cross multiply
    52,280.90x = 72,147.95 × 28,407.57
  4. Step 4: Simplify right side
    52,280.90x = 2,049,547,939.98
  5. Step 5: Solve for x
    x = 2,049,547,939.98/52,280.90
  6. Step 6: Final answer
    x = 39,202.61

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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.