Home / 28,359.61-42,546.43-11,724.40

Finding the Fourth Proportional to 28,359.61, 42,546.43 and 11,724.40

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Solution

The fourth proportional to 28,359.61, 42,546.43 and 11,724.40 is: 17,589.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,359.61 : 42,546.43 = 11,724.40 : x
  2. Step 2: Convert to fraction form
    28,359.61/42,546.43 = 11,724.40/x
  3. Step 3: Cross multiply
    28,359.61x = 42,546.43 × 11,724.40
  4. Step 4: Simplify right side
    28,359.61x = 498,831,363.89
  5. Step 5: Solve for x
    x = 498,831,363.89/28,359.61
  6. Step 6: Final answer
    x = 17,589.50

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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.