Home / 27,323.72-40,985.40-15,628.64

Finding the Fourth Proportional to 27,323.72, 40,985.40 and 15,628.64

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Solution

The fourth proportional to 27,323.72, 40,985.40 and 15,628.64 is: 23,442.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,323.72 : 40,985.40 = 15,628.64 : x
  2. Step 2: Convert to fraction form
    27,323.72/40,985.40 = 15,628.64/x
  3. Step 3: Cross multiply
    27,323.72x = 40,985.40 × 15,628.64
  4. Step 4: Simplify right side
    27,323.72x = 640,546,061.86
  5. Step 5: Solve for x
    x = 640,546,061.86/27,323.72
  6. Step 6: Final answer
    x = 23,442.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.