Home / 26,132.63-39,203.80-12,281.63

Finding the Fourth Proportional to 26,132.63, 39,203.80 and 12,281.63

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Solution

The fourth proportional to 26,132.63, 39,203.80 and 12,281.63 is: 18,424.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,132.63 : 39,203.80 = 12,281.63 : x
  2. Step 2: Convert to fraction form
    26,132.63/39,203.80 = 12,281.63/x
  3. Step 3: Cross multiply
    26,132.63x = 39,203.80 × 12,281.63
  4. Step 4: Simplify right side
    26,132.63x = 481,486,339.47
  5. Step 5: Solve for x
    x = 481,486,339.47/26,132.63
  6. Step 6: Final answer
    x = 18,424.72

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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.