Home / 28,297.80-39,051.98-15,552.14

Finding the Fourth Proportional to 28,297.80, 39,051.98 and 15,552.14

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Solution

The fourth proportional to 28,297.80, 39,051.98 and 15,552.14 is: 21,462.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,297.80 : 39,051.98 = 15,552.14 : x
  2. Step 2: Convert to fraction form
    28,297.80/39,051.98 = 15,552.14/x
  3. Step 3: Cross multiply
    28,297.80x = 39,051.98 × 15,552.14
  4. Step 4: Simplify right side
    28,297.80x = 607,341,860.24
  5. Step 5: Solve for x
    x = 607,341,860.24/28,297.80
  6. Step 6: Final answer
    x = 21,462.51

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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.