Home / 22,805.40-34,207.72-18,901.56

Finding the Fourth Proportional to 22,805.40, 34,207.72 and 18,901.56

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Solution

The fourth proportional to 22,805.40, 34,207.72 and 18,901.56 is: 28,352.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,805.40 : 34,207.72 = 18,901.56 : x
  2. Step 2: Convert to fraction form
    22,805.40/34,207.72 = 18,901.56/x
  3. Step 3: Cross multiply
    22,805.40x = 34,207.72 × 18,901.56
  4. Step 4: Simplify right side
    22,805.40x = 646,579,272.04
  5. Step 5: Solve for x
    x = 646,579,272.04/22,805.40
  6. Step 6: Final answer
    x = 28,352.03

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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.