Home / 25,720.32-38,576.56-7,001.81

Finding the Fourth Proportional to 25,720.32, 38,576.56 and 7,001.81

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Solution

The fourth proportional to 25,720.32, 38,576.56 and 7,001.81 is: 10,501.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,720.32 : 38,576.56 = 7,001.81 : x
  2. Step 2: Convert to fraction form
    25,720.32/38,576.56 = 7,001.81/x
  3. Step 3: Cross multiply
    25,720.32x = 38,576.56 × 7,001.81
  4. Step 4: Simplify right side
    25,720.32x = 270,105,743.57
  5. Step 5: Solve for x
    x = 270,105,743.57/25,720.32
  6. Step 6: Final answer
    x = 10,501.65

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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.