Home / 28,441.72-39,253.07-17,117.11

Finding the Fourth Proportional to 28,441.72, 39,253.07 and 17,117.11

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Solution

The fourth proportional to 28,441.72, 39,253.07 and 17,117.11 is: 23,623.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,441.72 : 39,253.07 = 17,117.11 : x
  2. Step 2: Convert to fraction form
    28,441.72/39,253.07 = 17,117.11/x
  3. Step 3: Cross multiply
    28,441.72x = 39,253.07 × 17,117.11
  4. Step 4: Simplify right side
    28,441.72x = 671,899,117.03
  5. Step 5: Solve for x
    x = 671,899,117.03/28,441.72
  6. Step 6: Final answer
    x = 23,623.72

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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.