Home / 25,424.22-38,153.81-8,784.28

Finding the Fourth Proportional to 25,424.22, 38,153.81 and 8,784.28

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Solution

The fourth proportional to 25,424.22, 38,153.81 and 8,784.28 is: 13,182.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,424.22 : 38,153.81 = 8,784.28 : x
  2. Step 2: Convert to fraction form
    25,424.22/38,153.81 = 8,784.28/x
  3. Step 3: Cross multiply
    25,424.22x = 38,153.81 × 8,784.28
  4. Step 4: Simplify right side
    25,424.22x = 335,153,714.57
  5. Step 5: Solve for x
    x = 335,153,714.57/25,424.22
  6. Step 6: Final answer
    x = 13,182.46

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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.