Home / 28,592.16-42,887.93-11,721.41

Finding the Fourth Proportional to 28,592.16, 42,887.93 and 11,721.41

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Solution

The fourth proportional to 28,592.16, 42,887.93 and 11,721.41 is: 17,581.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,592.16 : 42,887.93 = 11,721.41 : x
  2. Step 2: Convert to fraction form
    28,592.16/42,887.93 = 11,721.41/x
  3. Step 3: Cross multiply
    28,592.16x = 42,887.93 × 11,721.41
  4. Step 4: Simplify right side
    28,592.16x = 502,706,998.26
  5. Step 5: Solve for x
    x = 502,706,998.26/28,592.16
  6. Step 6: Final answer
    x = 17,581.99

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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.