Home / 25,714.28-35,484.58-15,105

Finding the Fourth Proportional to 25,714.28, 35,484.58 and 15,105

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Solution

The fourth proportional to 25,714.28, 35,484.58 and 15,105 is: 20,844.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,714.28 : 35,484.58 = 15,105 : x
  2. Step 2: Convert to fraction form
    25,714.28/35,484.58 = 15,105/x
  3. Step 3: Cross multiply
    25,714.28x = 35,484.58 × 15,105
  4. Step 4: Simplify right side
    25,714.28x = 535,994,580.90
  5. Step 5: Solve for x
    x = 535,994,580.90/25,714.28
  6. Step 6: Final answer
    x = 20,844.24

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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.