Home / 19,758.85-29,661.42-15,601.66

Finding the Fourth Proportional to 19,758.85, 29,661.42 and 15,601.66

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Solution

The fourth proportional to 19,758.85, 29,661.42 and 15,601.66 is: 23,420.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,758.85 : 29,661.42 = 15,601.66 : x
  2. Step 2: Convert to fraction form
    19,758.85/29,661.42 = 15,601.66/x
  3. Step 3: Cross multiply
    19,758.85x = 29,661.42 × 15,601.66
  4. Step 4: Simplify right side
    19,758.85x = 462,767,389.96
  5. Step 5: Solve for x
    x = 462,767,389.96/19,758.85
  6. Step 6: Final answer
    x = 23,420.77

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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.