Home / 26,842.40-37,047.12-15,669.92

Finding the Fourth Proportional to 26,842.40, 37,047.12 and 15,669.92

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Solution

The fourth proportional to 26,842.40, 37,047.12 and 15,669.92 is: 21,627.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,842.40 : 37,047.12 = 15,669.92 : x
  2. Step 2: Convert to fraction form
    26,842.40/37,047.12 = 15,669.92/x
  3. Step 3: Cross multiply
    26,842.40x = 37,047.12 × 15,669.92
  4. Step 4: Simplify right side
    26,842.40x = 580,525,406.63
  5. Step 5: Solve for x
    x = 580,525,406.63/26,842.40
  6. Step 6: Final answer
    x = 21,627.18

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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.