Home / 28,095.40-38,770.50-18,009.64

Finding the Fourth Proportional to 28,095.40, 38,770.50 and 18,009.64

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Solution

The fourth proportional to 28,095.40, 38,770.50 and 18,009.64 is: 24,852.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,095.40 : 38,770.50 = 18,009.64 : x
  2. Step 2: Convert to fraction form
    28,095.40/38,770.50 = 18,009.64/x
  3. Step 3: Cross multiply
    28,095.40x = 38,770.50 × 18,009.64
  4. Step 4: Simplify right side
    28,095.40x = 698,242,747.62
  5. Step 5: Solve for x
    x = 698,242,747.62/28,095.40
  6. Step 6: Final answer
    x = 24,852.56

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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.