Home / 25,289.42-34,899.76-13,959.44

Finding the Fourth Proportional to 25,289.42, 34,899.76 and 13,959.44

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Solution

The fourth proportional to 25,289.42, 34,899.76 and 13,959.44 is: 19,264.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,289.42 : 34,899.76 = 13,959.44 : x
  2. Step 2: Convert to fraction form
    25,289.42/34,899.76 = 13,959.44/x
  3. Step 3: Cross multiply
    25,289.42x = 34,899.76 × 13,959.44
  4. Step 4: Simplify right side
    25,289.42x = 487,181,079.56
  5. Step 5: Solve for x
    x = 487,181,079.56/25,289.42
  6. Step 6: Final answer
    x = 19,264.23

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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.