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Finding the Fourth Proportional to 23,554, 32,506.32 and 13,485.60

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Solution

The fourth proportional to 23,554, 32,506.32 and 13,485.60 is: 18,611.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,554 : 32,506.32 = 13,485.60 : x
  2. Step 2: Convert to fraction form
    23,554/32,506.32 = 13,485.60/x
  3. Step 3: Cross multiply
    23,554x = 32,506.32 × 13,485.60
  4. Step 4: Simplify right side
    23,554x = 438,367,228.99
  5. Step 5: Solve for x
    x = 438,367,228.99/23,554
  6. Step 6: Final answer
    x = 18,611.16

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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.