Home / 21,669.93-32,509.35-6,878.52

Finding the Fourth Proportional to 21,669.93, 32,509.35 and 6,878.52

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Solution

The fourth proportional to 21,669.93, 32,509.35 and 6,878.52 is: 10,319.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,669.93 : 32,509.35 = 6,878.52 : x
  2. Step 2: Convert to fraction form
    21,669.93/32,509.35 = 6,878.52/x
  3. Step 3: Cross multiply
    21,669.93x = 32,509.35 × 6,878.52
  4. Step 4: Simplify right side
    21,669.93x = 223,616,214.16
  5. Step 5: Solve for x
    x = 223,616,214.16/21,669.93
  6. Step 6: Final answer
    x = 10,319.19

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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.