Home / 19,287.50-26,615.49-10,788.15

Finding the Fourth Proportional to 19,287.50, 26,615.49 and 10,788.15

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Solution

The fourth proportional to 19,287.50, 26,615.49 and 10,788.15 is: 14,886.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,287.50 : 26,615.49 = 10,788.15 : x
  2. Step 2: Convert to fraction form
    19,287.50/26,615.49 = 10,788.15/x
  3. Step 3: Cross multiply
    19,287.50x = 26,615.49 × 10,788.15
  4. Step 4: Simplify right side
    19,287.50x = 287,131,765.37
  5. Step 5: Solve for x
    x = 287,131,765.37/19,287.50
  6. Step 6: Final answer
    x = 14,886.94

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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.