Home / 28,663.73-39,557.08-16,563.81

Finding the Fourth Proportional to 28,663.73, 39,557.08 and 16,563.81

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Solution

The fourth proportional to 28,663.73, 39,557.08 and 16,563.81 is: 22,858.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,663.73 : 39,557.08 = 16,563.81 : x
  2. Step 2: Convert to fraction form
    28,663.73/39,557.08 = 16,563.81/x
  3. Step 3: Cross multiply
    28,663.73x = 39,557.08 × 16,563.81
  4. Step 4: Simplify right side
    28,663.73x = 655,215,957.27
  5. Step 5: Solve for x
    x = 655,215,957.27/28,663.73
  6. Step 6: Final answer
    x = 22,858.72

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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.