Home / 22,465.75-31,002.74-12,529.75

Finding the Fourth Proportional to 22,465.75, 31,002.74 and 12,529.75

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Solution

The fourth proportional to 22,465.75, 31,002.74 and 12,529.75 is: 17,291.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,465.75 : 31,002.74 = 12,529.75 : x
  2. Step 2: Convert to fraction form
    22,465.75/31,002.74 = 12,529.75/x
  3. Step 3: Cross multiply
    22,465.75x = 31,002.74 × 12,529.75
  4. Step 4: Simplify right side
    22,465.75x = 388,456,581.52
  5. Step 5: Solve for x
    x = 388,456,581.52/22,465.75
  6. Step 6: Final answer
    x = 17,291.06

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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.