Home / 28,537.77-39,379.44-19,320.58

Finding the Fourth Proportional to 28,537.77, 39,379.44 and 19,320.58

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Solution

The fourth proportional to 28,537.77, 39,379.44 and 19,320.58 is: 26,660.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,537.77 : 39,379.44 = 19,320.58 : x
  2. Step 2: Convert to fraction form
    28,537.77/39,379.44 = 19,320.58/x
  3. Step 3: Cross multiply
    28,537.77x = 39,379.44 × 19,320.58
  4. Step 4: Simplify right side
    28,537.77x = 760,833,637.15
  5. Step 5: Solve for x
    x = 760,833,637.15/28,537.77
  6. Step 6: Final answer
    x = 26,660.58

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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.