Home / 25,659.05-38,491.10-10,663.07

Finding the Fourth Proportional to 25,659.05, 38,491.10 and 10,663.07

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Solution

The fourth proportional to 25,659.05, 38,491.10 and 10,663.07 is: 15,995.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,659.05 : 38,491.10 = 10,663.07 : x
  2. Step 2: Convert to fraction form
    25,659.05/38,491.10 = 10,663.07/x
  3. Step 3: Cross multiply
    25,659.05x = 38,491.10 × 10,663.07
  4. Step 4: Simplify right side
    25,659.05x = 410,433,293.68
  5. Step 5: Solve for x
    x = 410,433,293.68/25,659.05
  6. Step 6: Final answer
    x = 15,995.65

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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.