Home / 28,386.30-39,169.50-17,054.12

Finding the Fourth Proportional to 28,386.30, 39,169.50 and 17,054.12

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Solution

The fourth proportional to 28,386.30, 39,169.50 and 17,054.12 is: 23,532.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,386.30 : 39,169.50 = 17,054.12 : x
  2. Step 2: Convert to fraction form
    28,386.30/39,169.50 = 17,054.12/x
  3. Step 3: Cross multiply
    28,386.30x = 39,169.50 × 17,054.12
  4. Step 4: Simplify right side
    28,386.30x = 668,001,353.34
  5. Step 5: Solve for x
    x = 668,001,353.34/28,386.30
  6. Step 6: Final answer
    x = 23,532.53

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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.