Home / 27,339.06-37,728.30-15,239.22

Finding the Fourth Proportional to 27,339.06, 37,728.30 and 15,239.22

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Solution

The fourth proportional to 27,339.06, 37,728.30 and 15,239.22 is: 21,030.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,339.06 : 37,728.30 = 15,239.22 : x
  2. Step 2: Convert to fraction form
    27,339.06/37,728.30 = 15,239.22/x
  3. Step 3: Cross multiply
    27,339.06x = 37,728.30 × 15,239.22
  4. Step 4: Simplify right side
    27,339.06x = 574,949,863.93
  5. Step 5: Solve for x
    x = 574,949,863.93/27,339.06
  6. Step 6: Final answer
    x = 21,030.35

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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.