Home / 28,621.68-42,932.52-13,056.72

Finding the Fourth Proportional to 28,621.68, 42,932.52 and 13,056.72

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Solution

The fourth proportional to 28,621.68, 42,932.52 and 13,056.72 is: 19,585.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,621.68 : 42,932.52 = 13,056.72 : x
  2. Step 2: Convert to fraction form
    28,621.68/42,932.52 = 13,056.72/x
  3. Step 3: Cross multiply
    28,621.68x = 42,932.52 × 13,056.72
  4. Step 4: Simplify right side
    28,621.68x = 560,557,892.53
  5. Step 5: Solve for x
    x = 560,557,892.53/28,621.68
  6. Step 6: Final answer
    x = 19,585.08

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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.