Home / 28,521.29-39,343.58-16,583.31

Finding the Fourth Proportional to 28,521.29, 39,343.58 and 16,583.31

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Solution

The fourth proportional to 28,521.29, 39,343.58 and 16,583.31 is: 22,875.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,521.29 : 39,343.58 = 16,583.31 : x
  2. Step 2: Convert to fraction form
    28,521.29/39,343.58 = 16,583.31/x
  3. Step 3: Cross multiply
    28,521.29x = 39,343.58 × 16,583.31
  4. Step 4: Simplify right side
    28,521.29x = 652,446,700.73
  5. Step 5: Solve for x
    x = 652,446,700.73/28,521.29
  6. Step 6: Final answer
    x = 22,875.78

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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.