Home / 19,159.02-28,735.20-5,304.78

Finding the Fourth Proportional to 19,159.02, 28,735.20 and 5,304.78

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Solution

The fourth proportional to 19,159.02, 28,735.20 and 5,304.78 is: 7,956.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,159.02 : 28,735.20 = 5,304.78 : x
  2. Step 2: Convert to fraction form
    19,159.02/28,735.20 = 5,304.78/x
  3. Step 3: Cross multiply
    19,159.02x = 28,735.20 × 5,304.78
  4. Step 4: Simplify right side
    19,159.02x = 152,433,914.26
  5. Step 5: Solve for x
    x = 152,433,914.26/19,159.02
  6. Step 6: Final answer
    x = 7,956.25

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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.