Home / 39,143.28-58,714.34-15,769.12

Finding the Fourth Proportional to 39,143.28, 58,714.34 and 15,769.12

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Solution

The fourth proportional to 39,143.28, 58,714.34 and 15,769.12 is: 23,653.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,143.28 : 58,714.34 = 15,769.12 : x
  2. Step 2: Convert to fraction form
    39,143.28/58,714.34 = 15,769.12/x
  3. Step 3: Cross multiply
    39,143.28x = 58,714.34 × 15,769.12
  4. Step 4: Simplify right side
    39,143.28x = 925,873,473.18
  5. Step 5: Solve for x
    x = 925,873,473.18/39,143.28
  6. Step 6: Final answer
    x = 23,653.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.