Home / 23,789.34-32,828.85-13,178.74

Finding the Fourth Proportional to 23,789.34, 32,828.85 and 13,178.74

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Solution

The fourth proportional to 23,789.34, 32,828.85 and 13,178.74 is: 18,186.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,789.34 : 32,828.85 = 13,178.74 : x
  2. Step 2: Convert to fraction form
    23,789.34/32,828.85 = 13,178.74/x
  3. Step 3: Cross multiply
    23,789.34x = 32,828.85 × 13,178.74
  4. Step 4: Simplify right side
    23,789.34x = 432,642,878.65
  5. Step 5: Solve for x
    x = 432,642,878.65/23,789.34
  6. Step 6: Final answer
    x = 18,186.42

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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.