Home / 25,825.50-35,633.70-15,211.26

Finding the Fourth Proportional to 25,825.50, 35,633.70 and 15,211.26

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Solution

The fourth proportional to 25,825.50, 35,633.70 and 15,211.26 is: 20,988.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,825.50 : 35,633.70 = 15,211.26 : x
  2. Step 2: Convert to fraction form
    25,825.50/35,633.70 = 15,211.26/x
  3. Step 3: Cross multiply
    25,825.50x = 35,633.70 × 15,211.26
  4. Step 4: Simplify right side
    25,825.50x = 542,033,475.46
  5. Step 5: Solve for x
    x = 542,033,475.46/25,825.50
  6. Step 6: Final answer
    x = 20,988.31

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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.