Home / 27,376.82-37,780.01-15,440.13

Finding the Fourth Proportional to 27,376.82, 37,780.01 and 15,440.13

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Solution

The fourth proportional to 27,376.82, 37,780.01 and 15,440.13 is: 21,307.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,376.82 : 37,780.01 = 15,440.13 : x
  2. Step 2: Convert to fraction form
    27,376.82/37,780.01 = 15,440.13/x
  3. Step 3: Cross multiply
    27,376.82x = 37,780.01 × 15,440.13
  4. Step 4: Simplify right side
    27,376.82x = 583,328,388.18
  5. Step 5: Solve for x
    x = 583,328,388.18/27,376.82
  6. Step 6: Final answer
    x = 21,307.38

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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.