Home / 20,565.20-30,804.60-16,677.20

Finding the Fourth Proportional to 20,565.20, 30,804.60 and 16,677.20

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Solution

The fourth proportional to 20,565.20, 30,804.60 and 16,677.20 is: 24,980.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,565.20 : 30,804.60 = 16,677.20 : x
  2. Step 2: Convert to fraction form
    20,565.20/30,804.60 = 16,677.20/x
  3. Step 3: Cross multiply
    20,565.20x = 30,804.60 × 16,677.20
  4. Step 4: Simplify right side
    20,565.20x = 513,734,475.12
  5. Step 5: Solve for x
    x = 513,734,475.12/20,565.20
  6. Step 6: Final answer
    x = 24,980.77

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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.