Home / 21,153.02-31,727.04-8,502.26

Finding the Fourth Proportional to 21,153.02, 31,727.04 and 8,502.26

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Solution

The fourth proportional to 21,153.02, 31,727.04 and 8,502.26 is: 12,752.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,153.02 : 31,727.04 = 8,502.26 : x
  2. Step 2: Convert to fraction form
    21,153.02/31,727.04 = 8,502.26/x
  3. Step 3: Cross multiply
    21,153.02x = 31,727.04 × 8,502.26
  4. Step 4: Simplify right side
    21,153.02x = 269,751,384.48
  5. Step 5: Solve for x
    x = 269,751,384.48/21,153.02
  6. Step 6: Final answer
    x = 12,752.38

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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.