Home / 26,987.95-37,243.55-15,664.22

Finding the Fourth Proportional to 26,987.95, 37,243.55 and 15,664.22

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Solution

The fourth proportional to 26,987.95, 37,243.55 and 15,664.22 is: 21,616.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,987.95 : 37,243.55 = 15,664.22 : x
  2. Step 2: Convert to fraction form
    26,987.95/37,243.55 = 15,664.22/x
  3. Step 3: Cross multiply
    26,987.95x = 37,243.55 × 15,664.22
  4. Step 4: Simplify right side
    26,987.95x = 583,391,065.28
  5. Step 5: Solve for x
    x = 583,391,065.28/26,987.95
  6. Step 6: Final answer
    x = 21,616.72

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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.