Home / 28,510.84-42,773.55-11,865.34

Finding the Fourth Proportional to 28,510.84, 42,773.55 and 11,865.34

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Solution

The fourth proportional to 28,510.84, 42,773.55 and 11,865.34 is: 17,801.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,510.84 : 42,773.55 = 11,865.34 : x
  2. Step 2: Convert to fraction form
    28,510.84/42,773.55 = 11,865.34/x
  3. Step 3: Cross multiply
    28,510.84x = 42,773.55 × 11,865.34
  4. Step 4: Simplify right side
    28,510.84x = 507,522,713.76
  5. Step 5: Solve for x
    x = 507,522,713.76/28,510.84
  6. Step 6: Final answer
    x = 17,801.04

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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.