Home / 26,018.64-35,915.04-15,408.36

Finding the Fourth Proportional to 26,018.64, 35,915.04 and 15,408.36

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Solution

The fourth proportional to 26,018.64, 35,915.04 and 15,408.36 is: 21,269.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,018.64 : 35,915.04 = 15,408.36 : x
  2. Step 2: Convert to fraction form
    26,018.64/35,915.04 = 15,408.36/x
  3. Step 3: Cross multiply
    26,018.64x = 35,915.04 × 15,408.36
  4. Step 4: Simplify right side
    26,018.64x = 553,391,865.73
  5. Step 5: Solve for x
    x = 553,391,865.73/26,018.64
  6. Step 6: Final answer
    x = 21,269.05

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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.