Home / 28,589.24-39,365.10-25,396.98

Finding the Fourth Proportional to 28,589.24, 39,365.10 and 25,396.98

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Solution

The fourth proportional to 28,589.24, 39,365.10 and 25,396.98 is: 34,969.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,589.24 : 39,365.10 = 25,396.98 : x
  2. Step 2: Convert to fraction form
    28,589.24/39,365.10 = 25,396.98/x
  3. Step 3: Cross multiply
    28,589.24x = 39,365.10 × 25,396.98
  4. Step 4: Simplify right side
    28,589.24x = 999,754,657.40
  5. Step 5: Solve for x
    x = 999,754,657.40/28,589.24
  6. Step 6: Final answer
    x = 34,969.61

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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.