Home / 20,547.72-28,367.01-14,249.16

Finding the Fourth Proportional to 20,547.72, 28,367.01 and 14,249.16

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Solution

The fourth proportional to 20,547.72, 28,367.01 and 14,249.16 is: 19,671.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,547.72 : 28,367.01 = 14,249.16 : x
  2. Step 2: Convert to fraction form
    20,547.72/28,367.01 = 14,249.16/x
  3. Step 3: Cross multiply
    20,547.72x = 28,367.01 × 14,249.16
  4. Step 4: Simplify right side
    20,547.72x = 404,206,064.21
  5. Step 5: Solve for x
    x = 404,206,064.21/20,547.72
  6. Step 6: Final answer
    x = 19,671.58

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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.