Home / 28,986.32-43,479.48-10,514

Finding the Fourth Proportional to 28,986.32, 43,479.48 and 10,514

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Solution

The fourth proportional to 28,986.32, 43,479.48 and 10,514 is: 15,771.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,986.32 : 43,479.48 = 10,514 : x
  2. Step 2: Convert to fraction form
    28,986.32/43,479.48 = 10,514/x
  3. Step 3: Cross multiply
    28,986.32x = 43,479.48 × 10,514
  4. Step 4: Simplify right side
    28,986.32x = 457,143,252.72
  5. Step 5: Solve for x
    x = 457,143,252.72/28,986.32
  6. Step 6: Final answer
    x = 15,771.00

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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.