Home / 25,423.14-35,086.59-15,733.92

Finding the Fourth Proportional to 25,423.14, 35,086.59 and 15,733.92

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Solution

The fourth proportional to 25,423.14, 35,086.59 and 15,733.92 is: 21,714.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,423.14 : 35,086.59 = 15,733.92 : x
  2. Step 2: Convert to fraction form
    25,423.14/35,086.59 = 15,733.92/x
  3. Step 3: Cross multiply
    25,423.14x = 35,086.59 × 15,733.92
  4. Step 4: Simplify right side
    25,423.14x = 552,049,600.13
  5. Step 5: Solve for x
    x = 552,049,600.13/25,423.14
  6. Step 6: Final answer
    x = 21,714.45

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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.