Home / 40,206.40-60,298.80-16,835.20

Finding the Fourth Proportional to 40,206.40, 60,298.80 and 16,835.20

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Solution

The fourth proportional to 40,206.40, 60,298.80 and 16,835.20 is: 25,248.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,206.40 : 60,298.80 = 16,835.20 : x
  2. Step 2: Convert to fraction form
    40,206.40/60,298.80 = 16,835.20/x
  3. Step 3: Cross multiply
    40,206.40x = 60,298.80 × 16,835.20
  4. Step 4: Simplify right side
    40,206.40x = 1,015,142,357.76
  5. Step 5: Solve for x
    x = 1,015,142,357.76/40,206.40
  6. Step 6: Final answer
    x = 25,248.28

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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.