Home / 18,708.04-28,056.48-15,412.96

Finding the Fourth Proportional to 18,708.04, 28,056.48 and 15,412.96

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Solution

The fourth proportional to 18,708.04, 28,056.48 and 15,412.96 is: 23,114.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,708.04 : 28,056.48 = 15,412.96 : x
  2. Step 2: Convert to fraction form
    18,708.04/28,056.48 = 15,412.96/x
  3. Step 3: Cross multiply
    18,708.04x = 28,056.48 × 15,412.96
  4. Step 4: Simplify right side
    18,708.04x = 432,433,403.98
  5. Step 5: Solve for x
    x = 432,433,403.98/18,708.04
  6. Step 6: Final answer
    x = 23,114.84

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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.