Home / 22,987.40-31,723.52-13,433.45

Finding the Fourth Proportional to 22,987.40, 31,723.52 and 13,433.45

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Solution

The fourth proportional to 22,987.40, 31,723.52 and 13,433.45 is: 18,538.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,987.40 : 31,723.52 = 13,433.45 : x
  2. Step 2: Convert to fraction form
    22,987.40/31,723.52 = 13,433.45/x
  3. Step 3: Cross multiply
    22,987.40x = 31,723.52 × 13,433.45
  4. Step 4: Simplify right side
    22,987.40x = 426,156,093.96
  5. Step 5: Solve for x
    x = 426,156,093.96/22,987.40
  6. Step 6: Final answer
    x = 18,538.69

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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.