Home / 28,258.80-42,315.30-22,426.80

Finding the Fourth Proportional to 28,258.80, 42,315.30 and 22,426.80

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Solution

The fourth proportional to 28,258.80, 42,315.30 and 22,426.80 is: 33,582.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,258.80 : 42,315.30 = 22,426.80 : x
  2. Step 2: Convert to fraction form
    28,258.80/42,315.30 = 22,426.80/x
  3. Step 3: Cross multiply
    28,258.80x = 42,315.30 × 22,426.80
  4. Step 4: Simplify right side
    28,258.80x = 948,996,770.04
  5. Step 5: Solve for x
    x = 948,996,770.04/28,258.80
  6. Step 6: Final answer
    x = 33,582.34

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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.