Home / 28,246.14-42,341.67-13,451.09

Finding the Fourth Proportional to 28,246.14, 42,341.67 and 13,451.09

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Solution

The fourth proportional to 28,246.14, 42,341.67 and 13,451.09 is: 20,163.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,246.14 : 42,341.67 = 13,451.09 : x
  2. Step 2: Convert to fraction form
    28,246.14/42,341.67 = 13,451.09/x
  3. Step 3: Cross multiply
    28,246.14x = 42,341.67 × 13,451.09
  4. Step 4: Simplify right side
    28,246.14x = 569,541,402.21
  5. Step 5: Solve for x
    x = 569,541,402.21/28,246.14
  6. Step 6: Final answer
    x = 20,163.51

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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.