Home / 26,871.52-40,288.02-12,632.02

Finding the Fourth Proportional to 26,871.52, 40,288.02 and 12,632.02

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Solution

The fourth proportional to 26,871.52, 40,288.02 and 12,632.02 is: 18,938.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,871.52 : 40,288.02 = 12,632.02 : x
  2. Step 2: Convert to fraction form
    26,871.52/40,288.02 = 12,632.02/x
  3. Step 3: Cross multiply
    26,871.52x = 40,288.02 × 12,632.02
  4. Step 4: Simplify right side
    26,871.52x = 508,919,074.40
  5. Step 5: Solve for x
    x = 508,919,074.40/26,871.52
  6. Step 6: Final answer
    x = 18,938.98

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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.