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Finding the Fourth Proportional to 17,970.52, 26,955.20 and 4,822.20

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Solution

The fourth proportional to 17,970.52, 26,955.20 and 4,822.20 is: 7,233.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,970.52 : 26,955.20 = 4,822.20 : x
  2. Step 2: Convert to fraction form
    17,970.52/26,955.20 = 4,822.20/x
  3. Step 3: Cross multiply
    17,970.52x = 26,955.20 × 4,822.20
  4. Step 4: Simplify right side
    17,970.52x = 129,983,365.44
  5. Step 5: Solve for x
    x = 129,983,365.44/17,970.52
  6. Step 6: Final answer
    x = 7,233.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.