Home / 25,144.32-34,703.43-14,540.40

Finding the Fourth Proportional to 25,144.32, 34,703.43 and 14,540.40

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Solution

The fourth proportional to 25,144.32, 34,703.43 and 14,540.40 is: 20,068.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,144.32 : 34,703.43 = 14,540.40 : x
  2. Step 2: Convert to fraction form
    25,144.32/34,703.43 = 14,540.40/x
  3. Step 3: Cross multiply
    25,144.32x = 34,703.43 × 14,540.40
  4. Step 4: Simplify right side
    25,144.32x = 504,601,753.57
  5. Step 5: Solve for x
    x = 504,601,753.57/25,144.32
  6. Step 6: Final answer
    x = 20,068.22

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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.