Home / 28,048.80-42,000.30-22,168.20

Finding the Fourth Proportional to 28,048.80, 42,000.30 and 22,168.20

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Solution

The fourth proportional to 28,048.80, 42,000.30 and 22,168.20 is: 33,194.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,048.80 : 42,000.30 = 22,168.20 : x
  2. Step 2: Convert to fraction form
    28,048.80/42,000.30 = 22,168.20/x
  3. Step 3: Cross multiply
    28,048.80x = 42,000.30 × 22,168.20
  4. Step 4: Simplify right side
    28,048.80x = 931,071,050.46
  5. Step 5: Solve for x
    x = 931,071,050.46/28,048.80
  6. Step 6: Final answer
    x = 33,194.68

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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.