Home / 28,057.04-38,717.40-16,111.96

Finding the Fourth Proportional to 28,057.04, 38,717.40 and 16,111.96

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Solution

The fourth proportional to 28,057.04, 38,717.40 and 16,111.96 is: 22,233.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,057.04 : 38,717.40 = 16,111.96 : x
  2. Step 2: Convert to fraction form
    28,057.04/38,717.40 = 16,111.96/x
  3. Step 3: Cross multiply
    28,057.04x = 38,717.40 × 16,111.96
  4. Step 4: Simplify right side
    28,057.04x = 623,813,200.10
  5. Step 5: Solve for x
    x = 623,813,200.10/28,057.04
  6. Step 6: Final answer
    x = 22,233.75

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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.