Home / 28,438.74-39,244.77-16,503.06

Finding the Fourth Proportional to 28,438.74, 39,244.77 and 16,503.06

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Solution

The fourth proportional to 28,438.74, 39,244.77 and 16,503.06 is: 22,773.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,438.74 : 39,244.77 = 16,503.06 : x
  2. Step 2: Convert to fraction form
    28,438.74/39,244.77 = 16,503.06/x
  3. Step 3: Cross multiply
    28,438.74x = 39,244.77 × 16,503.06
  4. Step 4: Simplify right side
    28,438.74x = 647,658,794.00
  5. Step 5: Solve for x
    x = 647,658,794.00/28,438.74
  6. Step 6: Final answer
    x = 22,773.82

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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.