Home / 28,688.19-39,593.42-16,112.94

Finding the Fourth Proportional to 28,688.19, 39,593.42 and 16,112.94

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Solution

The fourth proportional to 28,688.19, 39,593.42 and 16,112.94 is: 22,237.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,688.19 : 39,593.42 = 16,112.94 : x
  2. Step 2: Convert to fraction form
    28,688.19/39,593.42 = 16,112.94/x
  3. Step 3: Cross multiply
    28,688.19x = 39,593.42 × 16,112.94
  4. Step 4: Simplify right side
    28,688.19x = 637,966,320.29
  5. Step 5: Solve for x
    x = 637,966,320.29/28,688.19
  6. Step 6: Final answer
    x = 22,237.94

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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.