Home / 23,905.72-32,989.80-13,295.40

Finding the Fourth Proportional to 23,905.72, 32,989.80 and 13,295.40

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Solution

The fourth proportional to 23,905.72, 32,989.80 and 13,295.40 is: 18,347.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,905.72 : 32,989.80 = 13,295.40 : x
  2. Step 2: Convert to fraction form
    23,905.72/32,989.80 = 13,295.40/x
  3. Step 3: Cross multiply
    23,905.72x = 32,989.80 × 13,295.40
  4. Step 4: Simplify right side
    23,905.72x = 438,612,586.92
  5. Step 5: Solve for x
    x = 438,612,586.92/23,905.72
  6. Step 6: Final answer
    x = 18,347.60

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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.