Home / 25,273.55-37,862.94-21,140.12

Finding the Fourth Proportional to 25,273.55, 37,862.94 and 21,140.12

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Solution

The fourth proportional to 25,273.55, 37,862.94 and 21,140.12 is: 31,670.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,273.55 : 37,862.94 = 21,140.12 : x
  2. Step 2: Convert to fraction form
    25,273.55/37,862.94 = 21,140.12/x
  3. Step 3: Cross multiply
    25,273.55x = 37,862.94 × 21,140.12
  4. Step 4: Simplify right side
    25,273.55x = 800,427,095.15
  5. Step 5: Solve for x
    x = 800,427,095.15/25,273.55
  6. Step 6: Final answer
    x = 31,670.54

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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.