Home / 28,812.06-39,760.65-16,237.26

Finding the Fourth Proportional to 28,812.06, 39,760.65 and 16,237.26

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Solution

The fourth proportional to 28,812.06, 39,760.65 and 16,237.26 is: 22,407.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,812.06 : 39,760.65 = 16,237.26 : x
  2. Step 2: Convert to fraction form
    28,812.06/39,760.65 = 16,237.26/x
  3. Step 3: Cross multiply
    28,812.06x = 39,760.65 × 16,237.26
  4. Step 4: Simplify right side
    28,812.06x = 645,604,011.82
  5. Step 5: Solve for x
    x = 645,604,011.82/28,812.06
  6. Step 6: Final answer
    x = 22,407.42

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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.