Home / 27,278.36-37,641.08-15,341.44

Finding the Fourth Proportional to 27,278.36, 37,641.08 and 15,341.44

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Solution

The fourth proportional to 27,278.36, 37,641.08 and 15,341.44 is: 21,169.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,278.36 : 37,641.08 = 15,341.44 : x
  2. Step 2: Convert to fraction form
    27,278.36/37,641.08 = 15,341.44/x
  3. Step 3: Cross multiply
    27,278.36x = 37,641.08 × 15,341.44
  4. Step 4: Simplify right side
    27,278.36x = 577,468,370.36
  5. Step 5: Solve for x
    x = 577,468,370.36/27,278.36
  6. Step 6: Final answer
    x = 21,169.47

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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.