Home / 28,141.23-42,196.25-11,512.93

Finding the Fourth Proportional to 28,141.23, 42,196.25 and 11,512.93

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Solution

The fourth proportional to 28,141.23, 42,196.25 and 11,512.93 is: 17,263.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,141.23 : 42,196.25 = 11,512.93 : x
  2. Step 2: Convert to fraction form
    28,141.23/42,196.25 = 11,512.93/x
  3. Step 3: Cross multiply
    28,141.23x = 42,196.25 × 11,512.93
  4. Step 4: Simplify right side
    28,141.23x = 485,802,472.51
  5. Step 5: Solve for x
    x = 485,802,472.51/28,141.23
  6. Step 6: Final answer
    x = 17,263.01

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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.