Home / 28,834.06-39,784.21-17,503.28

Finding the Fourth Proportional to 28,834.06, 39,784.21 and 17,503.28

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Solution

The fourth proportional to 28,834.06, 39,784.21 and 17,503.28 is: 24,150.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,834.06 : 39,784.21 = 17,503.28 : x
  2. Step 2: Convert to fraction form
    28,834.06/39,784.21 = 17,503.28/x
  3. Step 3: Cross multiply
    28,834.06x = 39,784.21 × 17,503.28
  4. Step 4: Simplify right side
    28,834.06x = 696,354,167.21
  5. Step 5: Solve for x
    x = 696,354,167.21/28,834.06
  6. Step 6: Final answer
    x = 24,150.40

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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.