Home / 23,426.23-32,328.21-12,815.86

Finding the Fourth Proportional to 23,426.23, 32,328.21 and 12,815.86

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Solution

The fourth proportional to 23,426.23, 32,328.21 and 12,815.86 is: 17,685.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,426.23 : 32,328.21 = 12,815.86 : x
  2. Step 2: Convert to fraction form
    23,426.23/32,328.21 = 12,815.86/x
  3. Step 3: Cross multiply
    23,426.23x = 32,328.21 × 12,815.86
  4. Step 4: Simplify right side
    23,426.23x = 414,313,813.41
  5. Step 5: Solve for x
    x = 414,313,813.41/23,426.23
  6. Step 6: Final answer
    x = 17,685.89

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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.