Home / 23,788.80-32,828.04-13,717.20

Finding the Fourth Proportional to 23,788.80, 32,828.04 and 13,717.20

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Solution

The fourth proportional to 23,788.80, 32,828.04 and 13,717.20 is: 18,929.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,788.80 : 32,828.04 = 13,717.20 : x
  2. Step 2: Convert to fraction form
    23,788.80/32,828.04 = 13,717.20/x
  3. Step 3: Cross multiply
    23,788.80x = 32,828.04 × 13,717.20
  4. Step 4: Simplify right side
    23,788.80x = 450,308,790.29
  5. Step 5: Solve for x
    x = 450,308,790.29/23,788.80
  6. Step 6: Final answer
    x = 18,929.45

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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.