Home / 23,405.81-32,299.83-12,795.48

Finding the Fourth Proportional to 23,405.81, 32,299.83 and 12,795.48

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Solution

The fourth proportional to 23,405.81, 32,299.83 and 12,795.48 is: 17,657.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,405.81 : 32,299.83 = 12,795.48 : x
  2. Step 2: Convert to fraction form
    23,405.81/32,299.83 = 12,795.48/x
  3. Step 3: Cross multiply
    23,405.81x = 32,299.83 × 12,795.48
  4. Step 4: Simplify right side
    23,405.81x = 413,291,828.77
  5. Step 5: Solve for x
    x = 413,291,828.77/23,405.81
  6. Step 6: Final answer
    x = 17,657.66

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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.