Home / 23,394.72-32,285.88-12,784.80

Finding the Fourth Proportional to 23,394.72, 32,285.88 and 12,784.80

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Solution

The fourth proportional to 23,394.72, 32,285.88 and 12,784.80 is: 17,643.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,394.72 : 32,285.88 = 12,784.80 : x
  2. Step 2: Convert to fraction form
    23,394.72/32,285.88 = 12,784.80/x
  3. Step 3: Cross multiply
    23,394.72x = 32,285.88 × 12,784.80
  4. Step 4: Simplify right side
    23,394.72x = 412,768,518.62
  5. Step 5: Solve for x
    x = 412,768,518.62/23,394.72
  6. Step 6: Final answer
    x = 17,643.66

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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.