Home / 21,746.36-32,621.13-6,751.52

Finding the Fourth Proportional to 21,746.36, 32,621.13 and 6,751.52

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Solution

The fourth proportional to 21,746.36, 32,621.13 and 6,751.52 is: 10,127.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,746.36 : 32,621.13 = 6,751.52 : x
  2. Step 2: Convert to fraction form
    21,746.36/32,621.13 = 6,751.52/x
  3. Step 3: Cross multiply
    21,746.36x = 32,621.13 × 6,751.52
  4. Step 4: Simplify right side
    21,746.36x = 220,242,048.51
  5. Step 5: Solve for x
    x = 220,242,048.51/21,746.36
  6. Step 6: Final answer
    x = 10,127.77

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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.