Home / 28,507.54-42,759.15-10,026.58

Finding the Fourth Proportional to 28,507.54, 42,759.15 and 10,026.58

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Solution

The fourth proportional to 28,507.54, 42,759.15 and 10,026.58 is: 15,039.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,507.54 : 42,759.15 = 10,026.58 : x
  2. Step 2: Convert to fraction form
    28,507.54/42,759.15 = 10,026.58/x
  3. Step 3: Cross multiply
    28,507.54x = 42,759.15 × 10,026.58
  4. Step 4: Simplify right side
    28,507.54x = 428,728,038.21
  5. Step 5: Solve for x
    x = 428,728,038.21/28,507.54
  6. Step 6: Final answer
    x = 15,039.11

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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.