Home / 15,629.32-23,427.42-5,627.40

Finding the Fourth Proportional to 15,629.32, 23,427.42 and 5,627.40

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Solution

The fourth proportional to 15,629.32, 23,427.42 and 5,627.40 is: 8,435.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,629.32 : 23,427.42 = 5,627.40 : x
  2. Step 2: Convert to fraction form
    15,629.32/23,427.42 = 5,627.40/x
  3. Step 3: Cross multiply
    15,629.32x = 23,427.42 × 5,627.40
  4. Step 4: Simplify right side
    15,629.32x = 131,835,463.31
  5. Step 5: Solve for x
    x = 131,835,463.31/15,629.32
  6. Step 6: Final answer
    x = 8,435.14

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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.