Home / 26,385.47-39,575.43-13,900.46

Finding the Fourth Proportional to 26,385.47, 39,575.43 and 13,900.46

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Solution

The fourth proportional to 26,385.47, 39,575.43 and 13,900.46 is: 20,849.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,385.47 : 39,575.43 = 13,900.46 : x
  2. Step 2: Convert to fraction form
    26,385.47/39,575.43 = 13,900.46/x
  3. Step 3: Cross multiply
    26,385.47x = 39,575.43 × 13,900.46
  4. Step 4: Simplify right side
    26,385.47x = 550,116,612.20
  5. Step 5: Solve for x
    x = 550,116,612.20/26,385.47
  6. Step 6: Final answer
    x = 20,849.23

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1.5x scale

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.