Home / 27,927.32-38,539.51-15,180.18

Finding the Fourth Proportional to 27,927.32, 38,539.51 and 15,180.18

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Solution

The fourth proportional to 27,927.32, 38,539.51 and 15,180.18 is: 20,948.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,927.32 : 38,539.51 = 15,180.18 : x
  2. Step 2: Convert to fraction form
    27,927.32/38,539.51 = 15,180.18/x
  3. Step 3: Cross multiply
    27,927.32x = 38,539.51 × 15,180.18
  4. Step 4: Simplify right side
    27,927.32x = 585,036,698.91
  5. Step 5: Solve for x
    x = 585,036,698.91/27,927.32
  6. Step 6: Final answer
    x = 20,948.54

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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.