Home / 28,782.96-39,722.28-17,453.46

Finding the Fourth Proportional to 28,782.96, 39,722.28 and 17,453.46

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Solution

The fourth proportional to 28,782.96, 39,722.28 and 17,453.46 is: 24,086.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,782.96 : 39,722.28 = 17,453.46 : x
  2. Step 2: Convert to fraction form
    28,782.96/39,722.28 = 17,453.46/x
  3. Step 3: Cross multiply
    28,782.96x = 39,722.28 × 17,453.46
  4. Step 4: Simplify right side
    28,782.96x = 693,291,225.09
  5. Step 5: Solve for x
    x = 693,291,225.09/28,782.96
  6. Step 6: Final answer
    x = 24,086.86

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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.