Home / 28,555.04-42,786.48-17,588

Finding the Fourth Proportional to 28,555.04, 42,786.48 and 17,588

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Solution

The fourth proportional to 28,555.04, 42,786.48 and 17,588 is: 26,353.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,555.04 : 42,786.48 = 17,588 : x
  2. Step 2: Convert to fraction form
    28,555.04/42,786.48 = 17,588/x
  3. Step 3: Cross multiply
    28,555.04x = 42,786.48 × 17,588
  4. Step 4: Simplify right side
    28,555.04x = 752,528,610.24
  5. Step 5: Solve for x
    x = 752,528,610.24/28,555.04
  6. Step 6: Final answer
    x = 26,353.62

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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.