Home / 27,100.32-40,712.79-19,222.34

Finding the Fourth Proportional to 27,100.32, 40,712.79 and 19,222.34

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Solution

The fourth proportional to 27,100.32, 40,712.79 and 19,222.34 is: 28,877.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,100.32 : 40,712.79 = 19,222.34 : x
  2. Step 2: Convert to fraction form
    27,100.32/40,712.79 = 19,222.34/x
  3. Step 3: Cross multiply
    27,100.32x = 40,712.79 × 19,222.34
  4. Step 4: Simplify right side
    27,100.32x = 782,594,888.16
  5. Step 5: Solve for x
    x = 782,594,888.16/27,100.32
  6. Step 6: Final answer
    x = 28,877.70

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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.