Home / 24,281.80-33,518.30-18,978.34

Finding the Fourth Proportional to 24,281.80, 33,518.30 and 18,978.34

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Solution

The fourth proportional to 24,281.80, 33,518.30 and 18,978.34 is: 26,197.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,281.80 : 33,518.30 = 18,978.34 : x
  2. Step 2: Convert to fraction form
    24,281.80/33,518.30 = 18,978.34/x
  3. Step 3: Cross multiply
    24,281.80x = 33,518.30 × 18,978.34
  4. Step 4: Simplify right side
    24,281.80x = 636,121,693.62
  5. Step 5: Solve for x
    x = 636,121,693.62/24,281.80
  6. Step 6: Final answer
    x = 26,197.47

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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.