Home / 26,072.24-35,978.72-15,455.52

Finding the Fourth Proportional to 26,072.24, 35,978.72 and 15,455.52

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Solution

The fourth proportional to 26,072.24, 35,978.72 and 15,455.52 is: 21,328.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,072.24 : 35,978.72 = 15,455.52 : x
  2. Step 2: Convert to fraction form
    26,072.24/35,978.72 = 15,455.52/x
  3. Step 3: Cross multiply
    26,072.24x = 35,978.72 × 15,455.52
  4. Step 4: Simplify right side
    26,072.24x = 556,069,826.53
  5. Step 5: Solve for x
    x = 556,069,826.53/26,072.24
  6. Step 6: Final answer
    x = 21,328.04

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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.