Home / 28,006.01-38,649.08-16,071.47

Finding the Fourth Proportional to 28,006.01, 38,649.08 and 16,071.47

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Solution

The fourth proportional to 28,006.01, 38,649.08 and 16,071.47 is: 22,179.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,006.01 : 38,649.08 = 16,071.47 : x
  2. Step 2: Convert to fraction form
    28,006.01/38,649.08 = 16,071.47/x
  3. Step 3: Cross multiply
    28,006.01x = 38,649.08 × 16,071.47
  4. Step 4: Simplify right side
    28,006.01x = 621,147,376.68
  5. Step 5: Solve for x
    x = 621,147,376.68/28,006.01
  6. Step 6: Final answer
    x = 22,179.08

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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.