Home / 26,907.33-37,128.90-15,580.38

Finding the Fourth Proportional to 26,907.33, 37,128.90 and 15,580.38

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Solution

The fourth proportional to 26,907.33, 37,128.90 and 15,580.38 is: 21,499.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,907.33 : 37,128.90 = 15,580.38 : x
  2. Step 2: Convert to fraction form
    26,907.33/37,128.90 = 15,580.38/x
  3. Step 3: Cross multiply
    26,907.33x = 37,128.90 × 15,580.38
  4. Step 4: Simplify right side
    26,907.33x = 578,482,370.98
  5. Step 5: Solve for x
    x = 578,482,370.98/26,907.33
  6. Step 6: Final answer
    x = 21,499.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.