Home / 28,477.35-39,261.89-19,508.83

Finding the Fourth Proportional to 28,477.35, 39,261.89 and 19,508.83

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Solution

The fourth proportional to 28,477.35, 39,261.89 and 19,508.83 is: 26,896.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,477.35 : 39,261.89 = 19,508.83 : x
  2. Step 2: Convert to fraction form
    28,477.35/39,261.89 = 19,508.83/x
  3. Step 3: Cross multiply
    28,477.35x = 39,261.89 × 19,508.83
  4. Step 4: Simplify right side
    28,477.35x = 765,953,341.79
  5. Step 5: Solve for x
    x = 765,953,341.79/28,477.35
  6. Step 6: Final answer
    x = 26,896.93

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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.