Home / 22,536.09-31,106.30-15,823.35

Finding the Fourth Proportional to 22,536.09, 31,106.30 and 15,823.35

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Solution

The fourth proportional to 22,536.09, 31,106.30 and 15,823.35 is: 21,840.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,536.09 : 31,106.30 = 15,823.35 : x
  2. Step 2: Convert to fraction form
    22,536.09/31,106.30 = 15,823.35/x
  3. Step 3: Cross multiply
    22,536.09x = 31,106.30 × 15,823.35
  4. Step 4: Simplify right side
    22,536.09x = 492,205,792.99
  5. Step 5: Solve for x
    x = 492,205,792.99/22,536.09
  6. Step 6: Final answer
    x = 21,840.78

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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.