Home / 27,888.08-38,503.56-17,289.04

Finding the Fourth Proportional to 27,888.08, 38,503.56 and 17,289.04

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Solution

The fourth proportional to 27,888.08, 38,503.56 and 17,289.04 is: 23,870.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,888.08 : 38,503.56 = 17,289.04 : x
  2. Step 2: Convert to fraction form
    27,888.08/38,503.56 = 17,289.04/x
  3. Step 3: Cross multiply
    27,888.08x = 38,503.56 × 17,289.04
  4. Step 4: Simplify right side
    27,888.08x = 665,689,588.98
  5. Step 5: Solve for x
    x = 665,689,588.98/27,888.08
  6. Step 6: Final answer
    x = 23,870.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.