Home / 52,278.77-72,145.01-28,405.44

Finding the Fourth Proportional to 52,278.77, 72,145.01 and 28,405.44

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Solution

The fourth proportional to 52,278.77, 72,145.01 and 28,405.44 is: 39,199.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,278.77 : 72,145.01 = 28,405.44 : x
  2. Step 2: Convert to fraction form
    52,278.77/72,145.01 = 28,405.44/x
  3. Step 3: Cross multiply
    52,278.77x = 72,145.01 × 28,405.44
  4. Step 4: Simplify right side
    52,278.77x = 2,049,310,823.87
  5. Step 5: Solve for x
    x = 2,049,310,823.87/52,278.77
  6. Step 6: Final answer
    x = 39,199.67

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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.