Home / 28,026.14-38,675.81-15,450.89

Finding the Fourth Proportional to 28,026.14, 38,675.81 and 15,450.89

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Solution

The fourth proportional to 28,026.14, 38,675.81 and 15,450.89 is: 21,322.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,026.14 : 38,675.81 = 15,450.89 : x
  2. Step 2: Convert to fraction form
    28,026.14/38,675.81 = 15,450.89/x
  3. Step 3: Cross multiply
    28,026.14x = 38,675.81 × 15,450.89
  4. Step 4: Simplify right side
    28,026.14x = 597,575,531.22
  5. Step 5: Solve for x
    x = 597,575,531.22/28,026.14
  6. Step 6: Final answer
    x = 21,322.08

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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.