Home / 28,558.24-42,856.74-10,090.24

Finding the Fourth Proportional to 28,558.24, 42,856.74 and 10,090.24

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Solution

The fourth proportional to 28,558.24, 42,856.74 and 10,090.24 is: 15,142.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,558.24 : 42,856.74 = 10,090.24 : x
  2. Step 2: Convert to fraction form
    28,558.24/42,856.74 = 10,090.24/x
  3. Step 3: Cross multiply
    28,558.24x = 42,856.74 × 10,090.24
  4. Step 4: Simplify right side
    28,558.24x = 432,434,792.22
  5. Step 5: Solve for x
    x = 432,434,792.22/28,558.24
  6. Step 6: Final answer
    x = 15,142.21

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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.