Home / 28,363.56-39,150.34-16,429.84

Finding the Fourth Proportional to 28,363.56, 39,150.34 and 16,429.84

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Solution

The fourth proportional to 28,363.56, 39,150.34 and 16,429.84 is: 22,678.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,363.56 : 39,150.34 = 16,429.84 : x
  2. Step 2: Convert to fraction form
    28,363.56/39,150.34 = 16,429.84/x
  3. Step 3: Cross multiply
    28,363.56x = 39,150.34 × 16,429.84
  4. Step 4: Simplify right side
    28,363.56x = 643,233,822.15
  5. Step 5: Solve for x
    x = 643,233,822.15/28,363.56
  6. Step 6: Final answer
    x = 22,678.18

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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.