Home / 28,301.04-38,966.22-25,676.64

Finding the Fourth Proportional to 28,301.04, 38,966.22 and 25,676.64

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Solution

The fourth proportional to 28,301.04, 38,966.22 and 25,676.64 is: 35,352.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,301.04 : 38,966.22 = 25,676.64 : x
  2. Step 2: Convert to fraction form
    28,301.04/38,966.22 = 25,676.64/x
  3. Step 3: Cross multiply
    28,301.04x = 38,966.22 × 25,676.64
  4. Step 4: Simplify right side
    28,301.04x = 1,000,521,603.10
  5. Step 5: Solve for x
    x = 1,000,521,603.10/28,301.04
  6. Step 6: Final answer
    x = 35,352.82

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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.