Home / 25,789.43-35,586.23-15,714.20

Finding the Fourth Proportional to 25,789.43, 35,586.23 and 15,714.20

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Solution

The fourth proportional to 25,789.43, 35,586.23 and 15,714.20 is: 21,683.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,789.43 : 35,586.23 = 15,714.20 : x
  2. Step 2: Convert to fraction form
    25,789.43/35,586.23 = 15,714.20/x
  3. Step 3: Cross multiply
    25,789.43x = 35,586.23 × 15,714.20
  4. Step 4: Simplify right side
    25,789.43x = 559,208,878.96
  5. Step 5: Solve for x
    x = 559,208,878.96/25,789.43
  6. Step 6: Final answer
    x = 21,683.65

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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.