Home / 27,764.10-38,317.05-15,825.06

Finding the Fourth Proportional to 27,764.10, 38,317.05 and 15,825.06

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Solution

The fourth proportional to 27,764.10, 38,317.05 and 15,825.06 is: 21,840.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,764.10 : 38,317.05 = 15,825.06 : x
  2. Step 2: Convert to fraction form
    27,764.10/38,317.05 = 15,825.06/x
  3. Step 3: Cross multiply
    27,764.10x = 38,317.05 × 15,825.06
  4. Step 4: Simplify right side
    27,764.10x = 606,369,615.27
  5. Step 5: Solve for x
    x = 606,369,615.27/27,764.10
  6. Step 6: Final answer
    x = 21,840.06

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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.