Home / 28,493.04-42,754.86-11,864.56

Finding the Fourth Proportional to 28,493.04, 42,754.86 and 11,864.56

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Solution

The fourth proportional to 28,493.04, 42,754.86 and 11,864.56 is: 17,803.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,493.04 : 42,754.86 = 11,864.56 : x
  2. Step 2: Convert to fraction form
    28,493.04/42,754.86 = 11,864.56/x
  3. Step 3: Cross multiply
    28,493.04x = 42,754.86 × 11,864.56
  4. Step 4: Simplify right side
    28,493.04x = 507,267,601.76
  5. Step 5: Solve for x
    x = 507,267,601.76/28,493.04
  6. Step 6: Final answer
    x = 17,803.21

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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.