Home / 26,533.17-36,636.33-20,391.15

Finding the Fourth Proportional to 26,533.17, 36,636.33 and 20,391.15

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Solution

The fourth proportional to 26,533.17, 36,636.33 and 20,391.15 is: 28,155.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,533.17 : 36,636.33 = 20,391.15 : x
  2. Step 2: Convert to fraction form
    26,533.17/36,636.33 = 20,391.15/x
  3. Step 3: Cross multiply
    26,533.17x = 36,636.33 × 20,391.15
  4. Step 4: Simplify right side
    26,533.17x = 747,056,900.48
  5. Step 5: Solve for x
    x = 747,056,900.48/26,533.17
  6. Step 6: Final answer
    x = 28,155.58

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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.