Home / 20,041.47-27,673.58-12,874.95

Finding the Fourth Proportional to 20,041.47, 27,673.58 and 12,874.95

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Solution

The fourth proportional to 20,041.47, 27,673.58 and 12,874.95 is: 17,777.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,041.47 : 27,673.58 = 12,874.95 : x
  2. Step 2: Convert to fraction form
    20,041.47/27,673.58 = 12,874.95/x
  3. Step 3: Cross multiply
    20,041.47x = 27,673.58 × 12,874.95
  4. Step 4: Simplify right side
    20,041.47x = 356,295,956.42
  5. Step 5: Solve for x
    x = 356,295,956.42/20,041.47
  6. Step 6: Final answer
    x = 17,777.93

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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.