Home / 28,903.84-43,365.44-12,263.20

Finding the Fourth Proportional to 28,903.84, 43,365.44 and 12,263.20

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Solution

The fourth proportional to 28,903.84, 43,365.44 and 12,263.20 is: 18,398.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,903.84 : 43,365.44 = 12,263.20 : x
  2. Step 2: Convert to fraction form
    28,903.84/43,365.44 = 12,263.20/x
  3. Step 3: Cross multiply
    28,903.84x = 43,365.44 × 12,263.20
  4. Step 4: Simplify right side
    28,903.84x = 531,799,063.81
  5. Step 5: Solve for x
    x = 531,799,063.81/28,903.84
  6. Step 6: Final answer
    x = 18,398.91

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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.