Home / 20,249.29-27,928.93-14,870.04

Finding the Fourth Proportional to 20,249.29, 27,928.93 and 14,870.04

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Solution

The fourth proportional to 20,249.29, 27,928.93 and 14,870.04 is: 20,509.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,249.29 : 27,928.93 = 14,870.04 : x
  2. Step 2: Convert to fraction form
    20,249.29/27,928.93 = 14,870.04/x
  3. Step 3: Cross multiply
    20,249.29x = 27,928.93 × 14,870.04
  4. Step 4: Simplify right side
    20,249.29x = 415,304,306.26
  5. Step 5: Solve for x
    x = 415,304,306.26/20,249.29
  6. Step 6: Final answer
    x = 20,509.57

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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.