Home / 28,518.68-39,347.74-17,032.24

Finding the Fourth Proportional to 28,518.68, 39,347.74 and 17,032.24

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Solution

The fourth proportional to 28,518.68, 39,347.74 and 17,032.24 is: 23,499.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,518.68 : 39,347.74 = 17,032.24 : x
  2. Step 2: Convert to fraction form
    28,518.68/39,347.74 = 17,032.24/x
  3. Step 3: Cross multiply
    28,518.68x = 39,347.74 × 17,032.24
  4. Step 4: Simplify right side
    28,518.68x = 670,180,221.61
  5. Step 5: Solve for x
    x = 670,180,221.61/28,518.68
  6. Step 6: Final answer
    x = 23,499.69

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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.