Home / 28,937.81-43,406.18-9,216.08

Finding the Fourth Proportional to 28,937.81, 43,406.18 and 9,216.08

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Solution

The fourth proportional to 28,937.81, 43,406.18 and 9,216.08 is: 13,823.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,937.81 : 43,406.18 = 9,216.08 : x
  2. Step 2: Convert to fraction form
    28,937.81/43,406.18 = 9,216.08/x
  3. Step 3: Cross multiply
    28,937.81x = 43,406.18 × 9,216.08
  4. Step 4: Simplify right side
    28,937.81x = 400,034,761.60
  5. Step 5: Solve for x
    x = 400,034,761.60/28,937.81
  6. Step 6: Final answer
    x = 13,823.95

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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.