Home / 28,299.93-39,054.14-17,695.71

Finding the Fourth Proportional to 28,299.93, 39,054.14 and 17,695.71

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Solution

The fourth proportional to 28,299.93, 39,054.14 and 17,695.71 is: 24,420.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,299.93 : 39,054.14 = 17,695.71 : x
  2. Step 2: Convert to fraction form
    28,299.93/39,054.14 = 17,695.71/x
  3. Step 3: Cross multiply
    28,299.93x = 39,054.14 × 17,695.71
  4. Step 4: Simplify right side
    28,299.93x = 691,090,647.26
  5. Step 5: Solve for x
    x = 691,090,647.26/28,299.93
  6. Step 6: Final answer
    x = 24,420.22

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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.