Home / 14,482.78-21,739.53-12,827.65

Finding the Fourth Proportional to 14,482.78, 21,739.53 and 12,827.65

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Solution

The fourth proportional to 14,482.78, 21,739.53 and 12,827.65 is: 19,255.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,482.78 : 21,739.53 = 12,827.65 : x
  2. Step 2: Convert to fraction form
    14,482.78/21,739.53 = 12,827.65/x
  3. Step 3: Cross multiply
    14,482.78x = 21,739.53 × 12,827.65
  4. Step 4: Simplify right side
    14,482.78x = 278,866,909.17
  5. Step 5: Solve for x
    x = 278,866,909.17/14,482.78
  6. Step 6: Final answer
    x = 19,255.07

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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.