Home / 25,451.88-35,123.69-14,121.35

Finding the Fourth Proportional to 25,451.88, 35,123.69 and 14,121.35

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Solution

The fourth proportional to 25,451.88, 35,123.69 and 14,121.35 is: 19,487.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,451.88 : 35,123.69 = 14,121.35 : x
  2. Step 2: Convert to fraction form
    25,451.88/35,123.69 = 14,121.35/x
  3. Step 3: Cross multiply
    25,451.88x = 35,123.69 × 14,121.35
  4. Step 4: Simplify right side
    25,451.88x = 495,993,911.18
  5. Step 5: Solve for x
    x = 495,993,911.18/25,451.88
  6. Step 6: Final answer
    x = 19,487.52

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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.