Home / 25,986.72-35,867.25-16,420.53

Finding the Fourth Proportional to 25,986.72, 35,867.25 and 16,420.53

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Solution

The fourth proportional to 25,986.72, 35,867.25 and 16,420.53 is: 22,663.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,986.72 : 35,867.25 = 16,420.53 : x
  2. Step 2: Convert to fraction form
    25,986.72/35,867.25 = 16,420.53/x
  3. Step 3: Cross multiply
    25,986.72x = 35,867.25 × 16,420.53
  4. Step 4: Simplify right side
    25,986.72x = 588,959,254.64
  5. Step 5: Solve for x
    x = 588,959,254.64/25,986.72
  6. Step 6: Final answer
    x = 22,663.86

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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.