Home / 37,555.28-51,825.84-20,788.64

Finding the Fourth Proportional to 37,555.28, 51,825.84 and 20,788.64

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Solution

The fourth proportional to 37,555.28, 51,825.84 and 20,788.64 is: 28,688.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,555.28 : 51,825.84 = 20,788.64 : x
  2. Step 2: Convert to fraction form
    37,555.28/51,825.84 = 20,788.64/x
  3. Step 3: Cross multiply
    37,555.28x = 51,825.84 × 20,788.64
  4. Step 4: Simplify right side
    37,555.28x = 1,077,388,730.46
  5. Step 5: Solve for x
    x = 1,077,388,730.46/37,555.28
  6. Step 6: Final answer
    x = 28,688.08

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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.