Home / 32,763.90-45,197.12-20,657.84

Finding the Fourth Proportional to 32,763.90, 45,197.12 and 20,657.84

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Solution

The fourth proportional to 32,763.90, 45,197.12 and 20,657.84 is: 28,497.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,763.90 : 45,197.12 = 20,657.84 : x
  2. Step 2: Convert to fraction form
    32,763.90/45,197.12 = 20,657.84/x
  3. Step 3: Cross multiply
    32,763.90x = 45,197.12 × 20,657.84
  4. Step 4: Simplify right side
    32,763.90x = 933,674,544.15
  5. Step 5: Solve for x
    x = 933,674,544.15/32,763.90
  6. Step 6: Final answer
    x = 28,497.05

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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.