Home / 19,273.40-28,883.10-15,331.40

Finding the Fourth Proportional to 19,273.40, 28,883.10 and 15,331.40

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Solution

The fourth proportional to 19,273.40, 28,883.10 and 15,331.40 is: 22,975.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,273.40 : 28,883.10 = 15,331.40 : x
  2. Step 2: Convert to fraction form
    19,273.40/28,883.10 = 15,331.40/x
  3. Step 3: Cross multiply
    19,273.40x = 28,883.10 × 15,331.40
  4. Step 4: Simplify right side
    19,273.40x = 442,818,359.34
  5. Step 5: Solve for x
    x = 442,818,359.34/19,273.40
  6. Step 6: Final answer
    x = 22,975.62

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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.