Home / 28,465.04-39,297.47-17,137.31

Finding the Fourth Proportional to 28,465.04, 39,297.47 and 17,137.31

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Solution

The fourth proportional to 28,465.04, 39,297.47 and 17,137.31 is: 23,658.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,465.04 : 39,297.47 = 17,137.31 : x
  2. Step 2: Convert to fraction form
    28,465.04/39,297.47 = 17,137.31/x
  3. Step 3: Cross multiply
    28,465.04x = 39,297.47 × 17,137.31
  4. Step 4: Simplify right side
    28,465.04x = 673,452,643.43
  5. Step 5: Solve for x
    x = 673,452,643.43/28,465.04
  6. Step 6: Final answer
    x = 23,658.94

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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.