Home / 26,463.72-36,518.85-15,859.20

Finding the Fourth Proportional to 26,463.72, 36,518.85 and 15,859.20

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Solution

The fourth proportional to 26,463.72, 36,518.85 and 15,859.20 is: 21,885.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,463.72 : 36,518.85 = 15,859.20 : x
  2. Step 2: Convert to fraction form
    26,463.72/36,518.85 = 15,859.20/x
  3. Step 3: Cross multiply
    26,463.72x = 36,518.85 × 15,859.20
  4. Step 4: Simplify right side
    26,463.72x = 579,159,745.92
  5. Step 5: Solve for x
    x = 579,159,745.92/26,463.72
  6. Step 6: Final answer
    x = 21,885.05

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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.