Home / 19,005.83-28,508.75-5,858.21

Finding the Fourth Proportional to 19,005.83, 28,508.75 and 5,858.21

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Solution

The fourth proportional to 19,005.83, 28,508.75 and 5,858.21 is: 8,787.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,005.83 : 28,508.75 = 5,858.21 : x
  2. Step 2: Convert to fraction form
    19,005.83/28,508.75 = 5,858.21/x
  3. Step 3: Cross multiply
    19,005.83x = 28,508.75 × 5,858.21
  4. Step 4: Simplify right side
    19,005.83x = 167,010,244.34
  5. Step 5: Solve for x
    x = 167,010,244.34/19,005.83
  6. Step 6: Final answer
    x = 8,787.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.