Home / 19,156.74-28,731.84-5,302.50

Finding the Fourth Proportional to 19,156.74, 28,731.84 and 5,302.50

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Solution

The fourth proportional to 19,156.74, 28,731.84 and 5,302.50 is: 7,952.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,156.74 : 28,731.84 = 5,302.50 : x
  2. Step 2: Convert to fraction form
    19,156.74/28,731.84 = 5,302.50/x
  3. Step 3: Cross multiply
    19,156.74x = 28,731.84 × 5,302.50
  4. Step 4: Simplify right side
    19,156.74x = 152,350,581.60
  5. Step 5: Solve for x
    x = 152,350,581.60/19,156.74
  6. Step 6: Final answer
    x = 7,952.84

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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.