Home / 28,163.76-42,253.61-14,106.81

Finding the Fourth Proportional to 28,163.76, 42,253.61 and 14,106.81

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Solution

The fourth proportional to 28,163.76, 42,253.61 and 14,106.81 is: 21,164.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,163.76 : 42,253.61 = 14,106.81 : x
  2. Step 2: Convert to fraction form
    28,163.76/42,253.61 = 14,106.81/x
  3. Step 3: Cross multiply
    28,163.76x = 42,253.61 × 14,106.81
  4. Step 4: Simplify right side
    28,163.76x = 596,063,577.55
  5. Step 5: Solve for x
    x = 596,063,577.55/28,163.76
  6. Step 6: Final answer
    x = 21,164.20

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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.