Home / 28,995.30-40,001.85-22,269.06

Finding the Fourth Proportional to 28,995.30, 40,001.85 and 22,269.06

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Solution

The fourth proportional to 28,995.30, 40,001.85 and 22,269.06 is: 30,722.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,995.30 : 40,001.85 = 22,269.06 : x
  2. Step 2: Convert to fraction form
    28,995.30/40,001.85 = 22,269.06/x
  3. Step 3: Cross multiply
    28,995.30x = 40,001.85 × 22,269.06
  4. Step 4: Simplify right side
    28,995.30x = 890,803,597.76
  5. Step 5: Solve for x
    x = 890,803,597.76/28,995.30
  6. Step 6: Final answer
    x = 30,722.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.