Home / 25,255.68-34,853.09-13,925.58

Finding the Fourth Proportional to 25,255.68, 34,853.09 and 13,925.58

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Solution

The fourth proportional to 25,255.68, 34,853.09 and 13,925.58 is: 19,217.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,255.68 : 34,853.09 = 13,925.58 : x
  2. Step 2: Convert to fraction form
    25,255.68/34,853.09 = 13,925.58/x
  3. Step 3: Cross multiply
    25,255.68x = 34,853.09 × 13,925.58
  4. Step 4: Simplify right side
    25,255.68x = 485,349,423.41
  5. Step 5: Solve for x
    x = 485,349,423.41/25,255.68
  6. Step 6: Final answer
    x = 19,217.44

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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.