Home / 20,026.40-30,054.30-8,940.37

Finding the Fourth Proportional to 20,026.40, 30,054.30 and 8,940.37

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Solution

The fourth proportional to 20,026.40, 30,054.30 and 8,940.37 is: 13,417.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,026.40 : 30,054.30 = 8,940.37 : x
  2. Step 2: Convert to fraction form
    20,026.40/30,054.30 = 8,940.37/x
  3. Step 3: Cross multiply
    20,026.40x = 30,054.30 × 8,940.37
  4. Step 4: Simplify right side
    20,026.40x = 268,696,411.82
  5. Step 5: Solve for x
    x = 268,696,411.82/20,026.40
  6. Step 6: Final answer
    x = 13,417.11

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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.