Home / 28,184.34-42,244.56-21,897.66

Finding the Fourth Proportional to 28,184.34, 42,244.56 and 21,897.66

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Solution

The fourth proportional to 28,184.34, 42,244.56 and 21,897.66 is: 32,821.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,184.34 : 42,244.56 = 21,897.66 : x
  2. Step 2: Convert to fraction form
    28,184.34/42,244.56 = 21,897.66/x
  3. Step 3: Cross multiply
    28,184.34x = 42,244.56 × 21,897.66
  4. Step 4: Simplify right side
    28,184.34x = 925,057,011.73
  5. Step 5: Solve for x
    x = 925,057,011.73/28,184.34
  6. Step 6: Final answer
    x = 32,821.67

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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.