Home / 20,041.47-27,659.34-11,543.94

Finding the Fourth Proportional to 20,041.47, 27,659.34 and 11,543.94

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Solution

The fourth proportional to 20,041.47, 27,659.34 and 11,543.94 is: 15,931.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,041.47 : 27,659.34 = 11,543.94 : x
  2. Step 2: Convert to fraction form
    20,041.47/27,659.34 = 11,543.94/x
  3. Step 3: Cross multiply
    20,041.47x = 27,659.34 × 11,543.94
  4. Step 4: Simplify right side
    20,041.47x = 319,297,761.40
  5. Step 5: Solve for x
    x = 319,297,761.40/20,041.47
  6. Step 6: Final answer
    x = 15,931.85

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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.