Home / 28,101.36-38,787.60-17,484.66

Finding the Fourth Proportional to 28,101.36, 38,787.60 and 17,484.66

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Solution

The fourth proportional to 28,101.36, 38,787.60 and 17,484.66 is: 24,133.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,101.36 : 38,787.60 = 17,484.66 : x
  2. Step 2: Convert to fraction form
    28,101.36/38,787.60 = 17,484.66/x
  3. Step 3: Cross multiply
    28,101.36x = 38,787.60 × 17,484.66
  4. Step 4: Simplify right side
    28,101.36x = 678,187,998.22
  5. Step 5: Solve for x
    x = 678,187,998.22/28,101.36
  6. Step 6: Final answer
    x = 24,133.64

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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.