Home / 28,760.99-39,709.67-18,010.17

Finding the Fourth Proportional to 28,760.99, 39,709.67 and 18,010.17

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Solution

The fourth proportional to 28,760.99, 39,709.67 and 18,010.17 is: 24,866.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,760.99 : 39,709.67 = 18,010.17 : x
  2. Step 2: Convert to fraction form
    28,760.99/39,709.67 = 18,010.17/x
  3. Step 3: Cross multiply
    28,760.99x = 39,709.67 × 18,010.17
  4. Step 4: Simplify right side
    28,760.99x = 715,177,817.29
  5. Step 5: Solve for x
    x = 715,177,817.29/28,760.99
  6. Step 6: Final answer
    x = 24,866.25

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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.