Home / 26,863.65-37,061.21-15,531.05

Finding the Fourth Proportional to 26,863.65, 37,061.21 and 15,531.05

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Solution

The fourth proportional to 26,863.65, 37,061.21 and 15,531.05 is: 21,426.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,863.65 : 37,061.21 = 15,531.05 : x
  2. Step 2: Convert to fraction form
    26,863.65/37,061.21 = 15,531.05/x
  3. Step 3: Cross multiply
    26,863.65x = 37,061.21 × 15,531.05
  4. Step 4: Simplify right side
    26,863.65x = 575,599,637.05
  5. Step 5: Solve for x
    x = 575,599,637.05/26,863.65
  6. Step 6: Final answer
    x = 21,426.71

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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.