Home / 20,368.86-27,947.66-20,019.42

Finding the Fourth Proportional to 20,368.86, 27,947.66 and 20,019.42

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Solution

The fourth proportional to 20,368.86, 27,947.66 and 20,019.42 is: 27,468.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,368.86 : 27,947.66 = 20,019.42 : x
  2. Step 2: Convert to fraction form
    20,368.86/27,947.66 = 20,019.42/x
  3. Step 3: Cross multiply
    20,368.86x = 27,947.66 × 20,019.42
  4. Step 4: Simplify right side
    20,368.86x = 559,495,843.46
  5. Step 5: Solve for x
    x = 559,495,843.46/20,368.86
  6. Step 6: Final answer
    x = 27,468.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.