Home / 28,903.24-43,355.10-8,126.92

Finding the Fourth Proportional to 28,903.24, 43,355.10 and 8,126.92

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Solution

The fourth proportional to 28,903.24, 43,355.10 and 8,126.92 is: 12,190.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,903.24 : 43,355.10 = 8,126.92 : x
  2. Step 2: Convert to fraction form
    28,903.24/43,355.10 = 8,126.92/x
  3. Step 3: Cross multiply
    28,903.24x = 43,355.10 × 8,126.92
  4. Step 4: Simplify right side
    28,903.24x = 352,343,429.29
  5. Step 5: Solve for x
    x = 352,343,429.29/28,903.24
  6. Step 6: Final answer
    x = 12,190.45

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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.