Home / 23,397.86-32,289.13-12,787.67

Finding the Fourth Proportional to 23,397.86, 32,289.13 and 12,787.67

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Solution

The fourth proportional to 23,397.86, 32,289.13 and 12,787.67 is: 17,647.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,397.86 : 32,289.13 = 12,787.67 : x
  2. Step 2: Convert to fraction form
    23,397.86/32,289.13 = 12,787.67/x
  3. Step 3: Cross multiply
    23,397.86x = 32,289.13 × 12,787.67
  4. Step 4: Simplify right side
    23,397.86x = 412,902,835.73
  5. Step 5: Solve for x
    x = 412,902,835.73/23,397.86
  6. Step 6: Final answer
    x = 17,647.03

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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.