Home / 23,182.99-31,992.21-12,572.41

Finding the Fourth Proportional to 23,182.99, 31,992.21 and 12,572.41

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Solution

The fourth proportional to 23,182.99, 31,992.21 and 12,572.41 is: 17,349.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,182.99 : 31,992.21 = 12,572.41 : x
  2. Step 2: Convert to fraction form
    23,182.99/31,992.21 = 12,572.41/x
  3. Step 3: Cross multiply
    23,182.99x = 31,992.21 × 12,572.41
  4. Step 4: Simplify right side
    23,182.99x = 402,219,180.93
  5. Step 5: Solve for x
    x = 402,219,180.93/23,182.99
  6. Step 6: Final answer
    x = 17,349.75

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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.