Home / 26,440.47-39,642.95-10,415.35

Finding the Fourth Proportional to 26,440.47, 39,642.95 and 10,415.35

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Solution

The fourth proportional to 26,440.47, 39,642.95 and 10,415.35 is: 15,616.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,440.47 : 39,642.95 = 10,415.35 : x
  2. Step 2: Convert to fraction form
    26,440.47/39,642.95 = 10,415.35/x
  3. Step 3: Cross multiply
    26,440.47x = 39,642.95 × 10,415.35
  4. Step 4: Simplify right side
    26,440.47x = 412,895,126.21
  5. Step 5: Solve for x
    x = 412,895,126.21/26,440.47
  6. Step 6: Final answer
    x = 15,616.03

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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.