Home / 22,522.89-31,081.57-13,570.77

Finding the Fourth Proportional to 22,522.89, 31,081.57 and 13,570.77

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Solution

The fourth proportional to 22,522.89, 31,081.57 and 13,570.77 is: 18,727.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,522.89 : 31,081.57 = 13,570.77 : x
  2. Step 2: Convert to fraction form
    22,522.89/31,081.57 = 13,570.77/x
  3. Step 3: Cross multiply
    22,522.89x = 31,081.57 × 13,570.77
  4. Step 4: Simplify right side
    22,522.89x = 421,800,837.71
  5. Step 5: Solve for x
    x = 421,800,837.71/22,522.89
  6. Step 6: Final answer
    x = 18,727.65

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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.