Home / 25,820.89-35,566.44-18,254.20

Finding the Fourth Proportional to 25,820.89, 35,566.44 and 18,254.20

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Solution

The fourth proportional to 25,820.89, 35,566.44 and 18,254.20 is: 25,143.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,820.89 : 35,566.44 = 18,254.20 : x
  2. Step 2: Convert to fraction form
    25,820.89/35,566.44 = 18,254.20/x
  3. Step 3: Cross multiply
    25,820.89x = 35,566.44 × 18,254.20
  4. Step 4: Simplify right side
    25,820.89x = 649,236,909.05
  5. Step 5: Solve for x
    x = 649,236,909.05/25,820.89
  6. Step 6: Final answer
    x = 25,143.86

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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.