Home / 28,438.24-39,244.08-16,502.56

Finding the Fourth Proportional to 28,438.24, 39,244.08 and 16,502.56

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Solution

The fourth proportional to 28,438.24, 39,244.08 and 16,502.56 is: 22,773.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,438.24 : 39,244.08 = 16,502.56 : x
  2. Step 2: Convert to fraction form
    28,438.24/39,244.08 = 16,502.56/x
  3. Step 3: Cross multiply
    28,438.24x = 39,244.08 × 16,502.56
  4. Step 4: Simplify right side
    28,438.24x = 647,627,784.84
  5. Step 5: Solve for x
    x = 647,627,784.84/28,438.24
  6. Step 6: Final answer
    x = 22,773.13

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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.