Home / 28,722.60-43,083.95-9,002.69

Finding the Fourth Proportional to 28,722.60, 43,083.95 and 9,002.69

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Solution

The fourth proportional to 28,722.60, 43,083.95 and 9,002.69 is: 13,504.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,722.60 : 43,083.95 = 9,002.69 : x
  2. Step 2: Convert to fraction form
    28,722.60/43,083.95 = 9,002.69/x
  3. Step 3: Cross multiply
    28,722.60x = 43,083.95 × 9,002.69
  4. Step 4: Simplify right side
    28,722.60x = 387,871,639.94
  5. Step 5: Solve for x
    x = 387,871,639.94/28,722.60
  6. Step 6: Final answer
    x = 13,504.06

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1.5x scale

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.