Home / 28,050.28-42,091.50-11,407.24

Finding the Fourth Proportional to 28,050.28, 42,091.50 and 11,407.24

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Solution

The fourth proportional to 28,050.28, 42,091.50 and 11,407.24 is: 17,117.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,050.28 : 42,091.50 = 11,407.24 : x
  2. Step 2: Convert to fraction form
    28,050.28/42,091.50 = 11,407.24/x
  3. Step 3: Cross multiply
    28,050.28x = 42,091.50 × 11,407.24
  4. Step 4: Simplify right side
    28,050.28x = 480,147,842.46
  5. Step 5: Solve for x
    x = 480,147,842.46/28,050.28
  6. Step 6: Final answer
    x = 17,117.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.