Home / 28,299.06-42,447.12-10,529.69

Finding the Fourth Proportional to 28,299.06, 42,447.12 and 10,529.69

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Solution

The fourth proportional to 28,299.06, 42,447.12 and 10,529.69 is: 15,793.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,299.06 : 42,447.12 = 10,529.69 : x
  2. Step 2: Convert to fraction form
    28,299.06/42,447.12 = 10,529.69/x
  3. Step 3: Cross multiply
    28,299.06x = 42,447.12 × 10,529.69
  4. Step 4: Simplify right side
    28,299.06x = 446,954,802.76
  5. Step 5: Solve for x
    x = 446,954,802.76/28,299.06
  6. Step 6: Final answer
    x = 15,793.98

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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.