Home / 28,358.98-39,152.24-25,206.15

Finding the Fourth Proportional to 28,358.98, 39,152.24 and 25,206.15

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Solution

The fourth proportional to 28,358.98, 39,152.24 and 25,206.15 is: 34,799.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,358.98 : 39,152.24 = 25,206.15 : x
  2. Step 2: Convert to fraction form
    28,358.98/39,152.24 = 25,206.15/x
  3. Step 3: Cross multiply
    28,358.98x = 39,152.24 × 25,206.15
  4. Step 4: Simplify right side
    28,358.98x = 986,877,278.70
  5. Step 5: Solve for x
    x = 986,877,278.70/28,358.98
  6. Step 6: Final answer
    x = 34,799.47

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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.