Home / 28,706.04-39,614.31-15,958.83

Finding the Fourth Proportional to 28,706.04, 39,614.31 and 15,958.83

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Solution

The fourth proportional to 28,706.04, 39,614.31 and 15,958.83 is: 22,023.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,706.04 : 39,614.31 = 15,958.83 : x
  2. Step 2: Convert to fraction form
    28,706.04/39,614.31 = 15,958.83/x
  3. Step 3: Cross multiply
    28,706.04x = 39,614.31 × 15,958.83
  4. Step 4: Simplify right side
    28,706.04x = 632,198,038.86
  5. Step 5: Solve for x
    x = 632,198,038.86/28,706.04
  6. Step 6: Final answer
    x = 22,023.17

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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.