Home / 30,427.76-41,988.80-16,996.34

Finding the Fourth Proportional to 30,427.76, 41,988.80 and 16,996.34

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Solution

The fourth proportional to 30,427.76, 41,988.80 and 16,996.34 is: 23,454.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,427.76 : 41,988.80 = 16,996.34 : x
  2. Step 2: Convert to fraction form
    30,427.76/41,988.80 = 16,996.34/x
  3. Step 3: Cross multiply
    30,427.76x = 41,988.80 × 16,996.34
  4. Step 4: Simplify right side
    30,427.76x = 713,655,626.07
  5. Step 5: Solve for x
    x = 713,655,626.07/30,427.76
  6. Step 6: Final answer
    x = 23,454.10

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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.