Home / 25,510.38-35,205.75-15,440.46

Finding the Fourth Proportional to 25,510.38, 35,205.75 and 15,440.46

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Solution

The fourth proportional to 25,510.38, 35,205.75 and 15,440.46 is: 21,308.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,510.38 : 35,205.75 = 15,440.46 : x
  2. Step 2: Convert to fraction form
    25,510.38/35,205.75 = 15,440.46/x
  3. Step 3: Cross multiply
    25,510.38x = 35,205.75 × 15,440.46
  4. Step 4: Simplify right side
    25,510.38x = 543,592,974.65
  5. Step 5: Solve for x
    x = 543,592,974.65/25,510.38
  6. Step 6: Final answer
    x = 21,308.70

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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.