Home / 26,434.21-36,478.13-15,817.54

Finding the Fourth Proportional to 26,434.21, 36,478.13 and 15,817.54

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Solution

The fourth proportional to 26,434.21, 36,478.13 and 15,817.54 is: 21,827.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,434.21 : 36,478.13 = 15,817.54 : x
  2. Step 2: Convert to fraction form
    26,434.21/36,478.13 = 15,817.54/x
  3. Step 3: Cross multiply
    26,434.21x = 36,478.13 × 15,817.54
  4. Step 4: Simplify right side
    26,434.21x = 576,994,280.40
  5. Step 5: Solve for x
    x = 576,994,280.40/26,434.21
  6. Step 6: Final answer
    x = 21,827.56

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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.