Home / 22,298.60-33,447.90-21,205.10

Finding the Fourth Proportional to 22,298.60, 33,447.90 and 21,205.10

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Solution

The fourth proportional to 22,298.60, 33,447.90 and 21,205.10 is: 31,807.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,298.60 : 33,447.90 = 21,205.10 : x
  2. Step 2: Convert to fraction form
    22,298.60/33,447.90 = 21,205.10/x
  3. Step 3: Cross multiply
    22,298.60x = 33,447.90 × 21,205.10
  4. Step 4: Simplify right side
    22,298.60x = 709,266,064.29
  5. Step 5: Solve for x
    x = 709,266,064.29/22,298.60
  6. Step 6: Final answer
    x = 31,807.65

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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.