Home / 28,840.16-39,799.92-17,509.92

Finding the Fourth Proportional to 28,840.16, 39,799.92 and 17,509.92

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Solution

The fourth proportional to 28,840.16, 39,799.92 and 17,509.92 is: 24,163.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,840.16 : 39,799.92 = 17,509.92 : x
  2. Step 2: Convert to fraction form
    28,840.16/39,799.92 = 17,509.92/x
  3. Step 3: Cross multiply
    28,840.16x = 39,799.92 × 17,509.92
  4. Step 4: Simplify right side
    28,840.16x = 696,893,415.21
  5. Step 5: Solve for x
    x = 696,893,415.21/28,840.16
  6. Step 6: Final answer
    x = 24,163.99

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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.