Home / 26,971.88-37,219.86-15,036.20

Finding the Fourth Proportional to 26,971.88, 37,219.86 and 15,036.20

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Solution

The fourth proportional to 26,971.88, 37,219.86 and 15,036.20 is: 20,749.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,971.88 : 37,219.86 = 15,036.20 : x
  2. Step 2: Convert to fraction form
    26,971.88/37,219.86 = 15,036.20/x
  3. Step 3: Cross multiply
    26,971.88x = 37,219.86 × 15,036.20
  4. Step 4: Simplify right side
    26,971.88x = 559,645,258.93
  5. Step 5: Solve for x
    x = 559,645,258.93/26,971.88
  6. Step 6: Final answer
    x = 20,749.21

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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.