Home / 22,891.36-34,328.72-10,400.80

Finding the Fourth Proportional to 22,891.36, 34,328.72 and 10,400.80

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Solution

The fourth proportional to 22,891.36, 34,328.72 and 10,400.80 is: 15,597.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,891.36 : 34,328.72 = 10,400.80 : x
  2. Step 2: Convert to fraction form
    22,891.36/34,328.72 = 10,400.80/x
  3. Step 3: Cross multiply
    22,891.36x = 34,328.72 × 10,400.80
  4. Step 4: Simplify right side
    22,891.36x = 357,046,150.98
  5. Step 5: Solve for x
    x = 357,046,150.98/22,891.36
  6. Step 6: Final answer
    x = 15,597.42

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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.