Home / 23,439.11-32,345.97-12,828.74

Finding the Fourth Proportional to 23,439.11, 32,345.97 and 12,828.74

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Solution

The fourth proportional to 23,439.11, 32,345.97 and 12,828.74 is: 17,703.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,439.11 : 32,345.97 = 12,828.74 : x
  2. Step 2: Convert to fraction form
    23,439.11/32,345.97 = 12,828.74/x
  3. Step 3: Cross multiply
    23,439.11x = 32,345.97 × 12,828.74
  4. Step 4: Simplify right side
    23,439.11x = 414,958,219.71
  5. Step 5: Solve for x
    x = 414,958,219.71/23,439.11
  6. Step 6: Final answer
    x = 17,703.67

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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.