Home / 27,788.54-38,347.84-15,041.42

Finding the Fourth Proportional to 27,788.54, 38,347.84 and 15,041.42

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Solution

The fourth proportional to 27,788.54, 38,347.84 and 15,041.42 is: 20,756.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,788.54 : 38,347.84 = 15,041.42 : x
  2. Step 2: Convert to fraction form
    27,788.54/38,347.84 = 15,041.42/x
  3. Step 3: Cross multiply
    27,788.54x = 38,347.84 × 15,041.42
  4. Step 4: Simplify right side
    27,788.54x = 576,805,967.53
  5. Step 5: Solve for x
    x = 576,805,967.53/27,788.54
  6. Step 6: Final answer
    x = 20,756.97

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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.