Home / 28,975.10-39,995.28-17,651.93

Finding the Fourth Proportional to 28,975.10, 39,995.28 and 17,651.93

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Solution

The fourth proportional to 28,975.10, 39,995.28 and 17,651.93 is: 24,365.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,975.10 : 39,995.28 = 17,651.93 : x
  2. Step 2: Convert to fraction form
    28,975.10/39,995.28 = 17,651.93/x
  3. Step 3: Cross multiply
    28,975.10x = 39,995.28 × 17,651.93
  4. Step 4: Simplify right side
    28,975.10x = 705,993,682.91
  5. Step 5: Solve for x
    x = 705,993,682.91/28,975.10
  6. Step 6: Final answer
    x = 24,365.53

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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.