Home / 22,617.04-31,184.40-21,370

Finding the Fourth Proportional to 22,617.04, 31,184.40 and 21,370

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Solution

The fourth proportional to 22,617.04, 31,184.40 and 21,370 is: 29,464.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,617.04 : 31,184.40 = 21,370 : x
  2. Step 2: Convert to fraction form
    22,617.04/31,184.40 = 21,370/x
  3. Step 3: Cross multiply
    22,617.04x = 31,184.40 × 21,370
  4. Step 4: Simplify right side
    22,617.04x = 666,410,628
  5. Step 5: Solve for x
    x = 666,410,628/22,617.04
  6. Step 6: Final answer
    x = 29,464.98

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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.