Home / 22,381.08-30,885.48-15,307.26

Finding the Fourth Proportional to 22,381.08, 30,885.48 and 15,307.26

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Solution

The fourth proportional to 22,381.08, 30,885.48 and 15,307.26 is: 21,123.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,381.08 : 30,885.48 = 15,307.26 : x
  2. Step 2: Convert to fraction form
    22,381.08/30,885.48 = 15,307.26/x
  3. Step 3: Cross multiply
    22,381.08x = 30,885.48 × 15,307.26
  4. Step 4: Simplify right side
    22,381.08x = 472,772,072.58
  5. Step 5: Solve for x
    x = 472,772,072.58/22,381.08
  6. Step 6: Final answer
    x = 21,123.74

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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.