Home / 28,079.60-42,099.89-10,544.72

Finding the Fourth Proportional to 28,079.60, 42,099.89 and 10,544.72

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Solution

The fourth proportional to 28,079.60, 42,099.89 and 10,544.72 is: 15,809.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,079.60 : 42,099.89 = 10,544.72 : x
  2. Step 2: Convert to fraction form
    28,079.60/42,099.89 = 10,544.72/x
  3. Step 3: Cross multiply
    28,079.60x = 42,099.89 × 10,544.72
  4. Step 4: Simplify right side
    28,079.60x = 443,931,552.08
  5. Step 5: Solve for x
    x = 443,931,552.08/28,079.60
  6. Step 6: Final answer
    x = 15,809.75

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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.