Home / 22,258.66-33,218.99-21,354.40

Finding the Fourth Proportional to 22,258.66, 33,218.99 and 21,354.40

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Solution

The fourth proportional to 22,258.66, 33,218.99 and 21,354.40 is: 31,869.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,258.66 : 33,218.99 = 21,354.40 : x
  2. Step 2: Convert to fraction form
    22,258.66/33,218.99 = 21,354.40/x
  3. Step 3: Cross multiply
    22,258.66x = 33,218.99 × 21,354.40
  4. Step 4: Simplify right side
    22,258.66x = 709,371,600.06
  5. Step 5: Solve for x
    x = 709,371,600.06/22,258.66
  6. Step 6: Final answer
    x = 31,869.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.