Home / 26,135.76-39,203.40-10,553.16

Finding the Fourth Proportional to 26,135.76, 39,203.40 and 10,553.16

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Solution

The fourth proportional to 26,135.76, 39,203.40 and 10,553.16 is: 15,829.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,135.76 : 39,203.40 = 10,553.16 : x
  2. Step 2: Convert to fraction form
    26,135.76/39,203.40 = 10,553.16/x
  3. Step 3: Cross multiply
    26,135.76x = 39,203.40 × 10,553.16
  4. Step 4: Simplify right side
    26,135.76x = 413,719,752.74
  5. Step 5: Solve for x
    x = 413,719,752.74/26,135.76
  6. Step 6: Final answer
    x = 15,829.64

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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.