Home / 27,788.01-38,356.08-15,859.29

Finding the Fourth Proportional to 27,788.01, 38,356.08 and 15,859.29

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Solution

The fourth proportional to 27,788.01, 38,356.08 and 15,859.29 is: 21,890.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,788.01 : 38,356.08 = 15,859.29 : x
  2. Step 2: Convert to fraction form
    27,788.01/38,356.08 = 15,859.29/x
  3. Step 3: Cross multiply
    27,788.01x = 38,356.08 × 15,859.29
  4. Step 4: Simplify right side
    27,788.01x = 608,300,195.98
  5. Step 5: Solve for x
    x = 608,300,195.98/27,788.01
  6. Step 6: Final answer
    x = 21,890.74

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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.