Home / 28,834.30-39,784.53-16,256.62

Finding the Fourth Proportional to 28,834.30, 39,784.53 and 16,256.62

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Solution

The fourth proportional to 28,834.30, 39,784.53 and 16,256.62 is: 22,430.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,834.30 : 39,784.53 = 16,256.62 : x
  2. Step 2: Convert to fraction form
    28,834.30/39,784.53 = 16,256.62/x
  3. Step 3: Cross multiply
    28,834.30x = 39,784.53 × 16,256.62
  4. Step 4: Simplify right side
    28,834.30x = 646,761,986.09
  5. Step 5: Solve for x
    x = 646,761,986.09/28,834.30
  6. Step 6: Final answer
    x = 22,430.30

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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.