Home / 27,848.53-38,424.36-15,749.29

Finding the Fourth Proportional to 27,848.53, 38,424.36 and 15,749.29

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Solution

The fourth proportional to 27,848.53, 38,424.36 and 15,749.29 is: 21,730.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,848.53 : 38,424.36 = 15,749.29 : x
  2. Step 2: Convert to fraction form
    27,848.53/38,424.36 = 15,749.29/x
  3. Step 3: Cross multiply
    27,848.53x = 38,424.36 × 15,749.29
  4. Step 4: Simplify right side
    27,848.53x = 605,156,388.70
  5. Step 5: Solve for x
    x = 605,156,388.70/27,848.53
  6. Step 6: Final answer
    x = 21,730.28

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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.