Home / 24,290.40-36,457.20-21,007.20

Finding the Fourth Proportional to 24,290.40, 36,457.20 and 21,007.20

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Solution

The fourth proportional to 24,290.40, 36,457.20 and 21,007.20 is: 31,529.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,290.40 : 36,457.20 = 21,007.20 : x
  2. Step 2: Convert to fraction form
    24,290.40/36,457.20 = 21,007.20/x
  3. Step 3: Cross multiply
    24,290.40x = 36,457.20 × 21,007.20
  4. Step 4: Simplify right side
    24,290.40x = 765,863,691.84
  5. Step 5: Solve for x
    x = 765,863,691.84/24,290.40
  6. Step 6: Final answer
    x = 31,529.48

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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.