Home / 23,489.10-32,417-12,880.80

Finding the Fourth Proportional to 23,489.10, 32,417 and 12,880.80

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Solution

The fourth proportional to 23,489.10, 32,417 and 12,880.80 is: 17,776.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,489.10 : 32,417 = 12,880.80 : x
  2. Step 2: Convert to fraction form
    23,489.10/32,417 = 12,880.80/x
  3. Step 3: Cross multiply
    23,489.10x = 32,417 × 12,880.80
  4. Step 4: Simplify right side
    23,489.10x = 417,556,893.60
  5. Step 5: Solve for x
    x = 417,556,893.60/23,489.10
  6. Step 6: Final answer
    x = 17,776.62

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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.