Home / 25,970.38-35,838.53-15,213.91

Finding the Fourth Proportional to 25,970.38, 35,838.53 and 15,213.91

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Solution

The fourth proportional to 25,970.38, 35,838.53 and 15,213.91 is: 20,994.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,970.38 : 35,838.53 = 15,213.91 : x
  2. Step 2: Convert to fraction form
    25,970.38/35,838.53 = 15,213.91/x
  3. Step 3: Cross multiply
    25,970.38x = 35,838.53 × 15,213.91
  4. Step 4: Simplify right side
    25,970.38x = 545,244,169.95
  5. Step 5: Solve for x
    x = 545,244,169.95/25,970.38
  6. Step 6: Final answer
    x = 20,994.85

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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.