Home / 22,071.95-30,459.07-16,431.92

Finding the Fourth Proportional to 22,071.95, 30,459.07 and 16,431.92

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Solution

The fourth proportional to 22,071.95, 30,459.07 and 16,431.92 is: 22,675.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,071.95 : 30,459.07 = 16,431.92 : x
  2. Step 2: Convert to fraction form
    22,071.95/30,459.07 = 16,431.92/x
  3. Step 3: Cross multiply
    22,071.95x = 30,459.07 × 16,431.92
  4. Step 4: Simplify right side
    22,071.95x = 500,501,036.58
  5. Step 5: Solve for x
    x = 500,501,036.58/22,071.95
  6. Step 6: Final answer
    x = 22,675.88

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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.