Home / 22,952.08-31,675.08-12,880

Finding the Fourth Proportional to 22,952.08, 31,675.08 and 12,880

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Solution

The fourth proportional to 22,952.08, 31,675.08 and 12,880 is: 17,775.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,952.08 : 31,675.08 = 12,880 : x
  2. Step 2: Convert to fraction form
    22,952.08/31,675.08 = 12,880/x
  3. Step 3: Cross multiply
    22,952.08x = 31,675.08 × 12,880
  4. Step 4: Simplify right side
    22,952.08x = 407,975,030.40
  5. Step 5: Solve for x
    x = 407,975,030.40/22,952.08
  6. Step 6: Final answer
    x = 17,775.08

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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.