Home / 28,592.30-42,935.97-19,292.15

Finding the Fourth Proportional to 28,592.30, 42,935.97 and 19,292.15

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Solution

The fourth proportional to 28,592.30, 42,935.97 and 19,292.15 is: 28,970.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,592.30 : 42,935.97 = 19,292.15 : x
  2. Step 2: Convert to fraction form
    28,592.30/42,935.97 = 19,292.15/x
  3. Step 3: Cross multiply
    28,592.30x = 42,935.97 × 19,292.15
  4. Step 4: Simplify right side
    28,592.30x = 828,327,173.64
  5. Step 5: Solve for x
    x = 828,327,173.64/28,592.30
  6. Step 6: Final answer
    x = 28,970.29

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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.