Home / 28,586.10-42,865.60-10,568.46

Finding the Fourth Proportional to 28,586.10, 42,865.60 and 10,568.46

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Solution

The fourth proportional to 28,586.10, 42,865.60 and 10,568.46 is: 15,847.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,586.10 : 42,865.60 = 10,568.46 : x
  2. Step 2: Convert to fraction form
    28,586.10/42,865.60 = 10,568.46/x
  3. Step 3: Cross multiply
    28,586.10x = 42,865.60 × 10,568.46
  4. Step 4: Simplify right side
    28,586.10x = 453,023,495.60
  5. Step 5: Solve for x
    x = 453,023,495.60/28,586.10
  6. Step 6: Final answer
    x = 15,847.69

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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.