Home / 28,445.88-42,668.47-22,211.04

Finding the Fourth Proportional to 28,445.88, 42,668.47 and 22,211.04

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Solution

The fourth proportional to 28,445.88, 42,668.47 and 22,211.04 is: 33,316.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,445.88 : 42,668.47 = 22,211.04 : x
  2. Step 2: Convert to fraction form
    28,445.88/42,668.47 = 22,211.04/x
  3. Step 3: Cross multiply
    28,445.88x = 42,668.47 × 22,211.04
  4. Step 4: Simplify right side
    28,445.88x = 947,711,093.91
  5. Step 5: Solve for x
    x = 947,711,093.91/28,445.88
  6. Step 6: Final answer
    x = 33,316.29

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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.