Home / 28,727.75-43,002.51-15,547.43

Finding the Fourth Proportional to 28,727.75, 43,002.51 and 15,547.43

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Solution

The fourth proportional to 28,727.75, 43,002.51 and 15,547.43 is: 23,272.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,727.75 : 43,002.51 = 15,547.43 : x
  2. Step 2: Convert to fraction form
    28,727.75/43,002.51 = 15,547.43/x
  3. Step 3: Cross multiply
    28,727.75x = 43,002.51 × 15,547.43
  4. Step 4: Simplify right side
    28,727.75x = 668,578,514.05
  5. Step 5: Solve for x
    x = 668,578,514.05/28,727.75
  6. Step 6: Final answer
    x = 23,272.92

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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.