Home / 27,746.58-38,292.78-15,813.76

Finding the Fourth Proportional to 27,746.58, 38,292.78 and 15,813.76

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Solution

The fourth proportional to 27,746.58, 38,292.78 and 15,813.76 is: 21,824.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,746.58 : 38,292.78 = 15,813.76 : x
  2. Step 2: Convert to fraction form
    27,746.58/38,292.78 = 15,813.76/x
  3. Step 3: Cross multiply
    27,746.58x = 38,292.78 × 15,813.76
  4. Step 4: Simplify right side
    27,746.58x = 605,552,626.89
  5. Step 5: Solve for x
    x = 605,552,626.89/27,746.58
  6. Step 6: Final answer
    x = 21,824.41

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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.