Home / 25,853.58-38,780.57-14,160.42

Finding the Fourth Proportional to 25,853.58, 38,780.57 and 14,160.42

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Solution

The fourth proportional to 25,853.58, 38,780.57 and 14,160.42 is: 21,240.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,853.58 : 38,780.57 = 14,160.42 : x
  2. Step 2: Convert to fraction form
    25,853.58/38,780.57 = 14,160.42/x
  3. Step 3: Cross multiply
    25,853.58x = 38,780.57 × 14,160.42
  4. Step 4: Simplify right side
    25,853.58x = 549,149,159.04
  5. Step 5: Solve for x
    x = 549,149,159.04/25,853.58
  6. Step 6: Final answer
    x = 21,240.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.