Home / 20,595.09-28,424.25-13,042.11

Finding the Fourth Proportional to 20,595.09, 28,424.25 and 13,042.11

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Solution

The fourth proportional to 20,595.09, 28,424.25 and 13,042.11 is: 18,000.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,595.09 : 28,424.25 = 13,042.11 : x
  2. Step 2: Convert to fraction form
    20,595.09/28,424.25 = 13,042.11/x
  3. Step 3: Cross multiply
    20,595.09x = 28,424.25 × 13,042.11
  4. Step 4: Simplify right side
    20,595.09x = 370,712,195.17
  5. Step 5: Solve for x
    x = 370,712,195.17/20,595.09
  6. Step 6: Final answer
    x = 18,000.03

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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.