Home / 28,426.60-39,238.50-17,102.44

Finding the Fourth Proportional to 28,426.60, 39,238.50 and 17,102.44

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Solution

The fourth proportional to 28,426.60, 39,238.50 and 17,102.44 is: 23,607.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,426.60 : 39,238.50 = 17,102.44 : x
  2. Step 2: Convert to fraction form
    28,426.60/39,238.50 = 17,102.44/x
  3. Step 3: Cross multiply
    28,426.60x = 39,238.50 × 17,102.44
  4. Step 4: Simplify right side
    28,426.60x = 671,074,091.94
  5. Step 5: Solve for x
    x = 671,074,091.94/28,426.60
  6. Step 6: Final answer
    x = 23,607.26

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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.