Home / 22,600.24-31,185.04-12,528.68

Finding the Fourth Proportional to 22,600.24, 31,185.04 and 12,528.68

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Solution

The fourth proportional to 22,600.24, 31,185.04 and 12,528.68 is: 17,287.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,600.24 : 31,185.04 = 12,528.68 : x
  2. Step 2: Convert to fraction form
    22,600.24/31,185.04 = 12,528.68/x
  3. Step 3: Cross multiply
    22,600.24x = 31,185.04 × 12,528.68
  4. Step 4: Simplify right side
    22,600.24x = 390,707,386.95
  5. Step 5: Solve for x
    x = 390,707,386.95/22,600.24
  6. Step 6: Final answer
    x = 17,287.75

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1.5x scale

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.