Home / 27,932.66-38,547.33-15,357.50

Finding the Fourth Proportional to 27,932.66, 38,547.33 and 15,357.50

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Solution

The fourth proportional to 27,932.66, 38,547.33 and 15,357.50 is: 21,193.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,932.66 : 38,547.33 = 15,357.50 : x
  2. Step 2: Convert to fraction form
    27,932.66/38,547.33 = 15,357.50/x
  3. Step 3: Cross multiply
    27,932.66x = 38,547.33 × 15,357.50
  4. Step 4: Simplify right side
    27,932.66x = 591,990,620.48
  5. Step 5: Solve for x
    x = 591,990,620.48/27,932.66
  6. Step 6: Final answer
    x = 21,193.49

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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.