Home / 28,553.74-42,823.77-11,914.01

Finding the Fourth Proportional to 28,553.74, 42,823.77 and 11,914.01

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Solution

The fourth proportional to 28,553.74, 42,823.77 and 11,914.01 is: 17,868.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,553.74 : 42,823.77 = 11,914.01 : x
  2. Step 2: Convert to fraction form
    28,553.74/42,823.77 = 11,914.01/x
  3. Step 3: Cross multiply
    28,553.74x = 42,823.77 × 11,914.01
  4. Step 4: Simplify right side
    28,553.74x = 510,202,824.02
  5. Step 5: Solve for x
    x = 510,202,824.02/28,553.74
  6. Step 6: Final answer
    x = 17,868.16

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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.