Home / 27,376.56-37,778.84-15,440.24

Finding the Fourth Proportional to 27,376.56, 37,778.84 and 15,440.24

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Solution

The fourth proportional to 27,376.56, 37,778.84 and 15,440.24 is: 21,307.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,376.56 : 37,778.84 = 15,440.24 : x
  2. Step 2: Convert to fraction form
    27,376.56/37,778.84 = 15,440.24/x
  3. Step 3: Cross multiply
    27,376.56x = 37,778.84 × 15,440.24
  4. Step 4: Simplify right side
    27,376.56x = 583,314,356.52
  5. Step 5: Solve for x
    x = 583,314,356.52/27,376.56
  6. Step 6: Final answer
    x = 21,307.07

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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.