Home / 19,028.49-28,554.01-10,602.05

Finding the Fourth Proportional to 19,028.49, 28,554.01 and 10,602.05

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Solution

The fourth proportional to 19,028.49, 28,554.01 and 10,602.05 is: 15,909.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,028.49 : 28,554.01 = 10,602.05 : x
  2. Step 2: Convert to fraction form
    19,028.49/28,554.01 = 10,602.05/x
  3. Step 3: Cross multiply
    19,028.49x = 28,554.01 × 10,602.05
  4. Step 4: Simplify right side
    19,028.49x = 302,731,041.72
  5. Step 5: Solve for x
    x = 302,731,041.72/19,028.49
  6. Step 6: Final answer
    x = 15,909.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.