Home / 22,926.56-31,636.40-12,983.52

Finding the Fourth Proportional to 22,926.56, 31,636.40 and 12,983.52

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Solution

The fourth proportional to 22,926.56, 31,636.40 and 12,983.52 is: 17,915.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,926.56 : 31,636.40 = 12,983.52 : x
  2. Step 2: Convert to fraction form
    22,926.56/31,636.40 = 12,983.52/x
  3. Step 3: Cross multiply
    22,926.56x = 31,636.40 × 12,983.52
  4. Step 4: Simplify right side
    22,926.56x = 410,751,832.13
  5. Step 5: Solve for x
    x = 410,751,832.13/22,926.56
  6. Step 6: Final answer
    x = 17,915.98

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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.