Home / 28,489.44-42,740.40-10,967.52

Finding the Fourth Proportional to 28,489.44, 42,740.40 and 10,967.52

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Solution

The fourth proportional to 28,489.44, 42,740.40 and 10,967.52 is: 16,453.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,489.44 : 42,740.40 = 10,967.52 : x
  2. Step 2: Convert to fraction form
    28,489.44/42,740.40 = 10,967.52/x
  3. Step 3: Cross multiply
    28,489.44x = 42,740.40 × 10,967.52
  4. Step 4: Simplify right side
    28,489.44x = 468,756,191.81
  5. Step 5: Solve for x
    x = 468,756,191.81/28,489.44
  6. Step 6: Final answer
    x = 16,453.68

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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.