Home / 28,889.40-43,301.70-12,246.60

Finding the Fourth Proportional to 28,889.40, 43,301.70 and 12,246.60

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Solution

The fourth proportional to 28,889.40, 43,301.70 and 12,246.60 is: 18,356.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,889.40 : 43,301.70 = 12,246.60 : x
  2. Step 2: Convert to fraction form
    28,889.40/43,301.70 = 12,246.60/x
  3. Step 3: Cross multiply
    28,889.40x = 43,301.70 × 12,246.60
  4. Step 4: Simplify right side
    28,889.40x = 530,298,599.22
  5. Step 5: Solve for x
    x = 530,298,599.22/28,889.40
  6. Step 6: Final answer
    x = 18,356.17

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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.