Home / 27,580.26-38,060.64-15,005.28

Finding the Fourth Proportional to 27,580.26, 38,060.64 and 15,005.28

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Solution

The fourth proportional to 27,580.26, 38,060.64 and 15,005.28 is: 20,707.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,580.26 : 38,060.64 = 15,005.28 : x
  2. Step 2: Convert to fraction form
    27,580.26/38,060.64 = 15,005.28/x
  3. Step 3: Cross multiply
    27,580.26x = 38,060.64 × 15,005.28
  4. Step 4: Simplify right side
    27,580.26x = 571,110,560.18
  5. Step 5: Solve for x
    x = 571,110,560.18/27,580.26
  6. Step 6: Final answer
    x = 20,707.22

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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.