Home / 28,621.68-39,477.96-27,658.32

Finding the Fourth Proportional to 28,621.68, 39,477.96 and 27,658.32

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Solution

The fourth proportional to 28,621.68, 39,477.96 and 27,658.32 is: 38,149.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,621.68 : 39,477.96 = 27,658.32 : x
  2. Step 2: Convert to fraction form
    28,621.68/39,477.96 = 27,658.32/x
  3. Step 3: Cross multiply
    28,621.68x = 39,477.96 × 27,658.32
  4. Step 4: Simplify right side
    28,621.68x = 1,091,894,050.63
  5. Step 5: Solve for x
    x = 1,091,894,050.63/28,621.68
  6. Step 6: Final answer
    x = 38,149.19

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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.