Home / 20,444.40-30,667.61-10,602.90

Finding the Fourth Proportional to 20,444.40, 30,667.61 and 10,602.90

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Solution

The fourth proportional to 20,444.40, 30,667.61 and 10,602.90 is: 15,904.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,444.40 : 30,667.61 = 10,602.90 : x
  2. Step 2: Convert to fraction form
    20,444.40/30,667.61 = 10,602.90/x
  3. Step 3: Cross multiply
    20,444.40x = 30,667.61 × 10,602.90
  4. Step 4: Simplify right side
    20,444.40x = 325,165,628.58
  5. Step 5: Solve for x
    x = 325,165,628.58/20,444.40
  6. Step 6: Final answer
    x = 15,904.88

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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.