Home / 22,765.69-31,436.47-14,282.39

Finding the Fourth Proportional to 22,765.69, 31,436.47 and 14,282.39

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Solution

The fourth proportional to 22,765.69, 31,436.47 and 14,282.39 is: 19,722.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,765.69 : 31,436.47 = 14,282.39 : x
  2. Step 2: Convert to fraction form
    22,765.69/31,436.47 = 14,282.39/x
  3. Step 3: Cross multiply
    22,765.69x = 31,436.47 × 14,282.39
  4. Step 4: Simplify right side
    22,765.69x = 448,987,989.04
  5. Step 5: Solve for x
    x = 448,987,989.04/22,765.69
  6. Step 6: Final answer
    x = 19,722.14

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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.