Home / 19,029.40-28,537.80-6,547.30

Finding the Fourth Proportional to 19,029.40, 28,537.80 and 6,547.30

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Solution

The fourth proportional to 19,029.40, 28,537.80 and 6,547.30 is: 9,818.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,029.40 : 28,537.80 = 6,547.30 : x
  2. Step 2: Convert to fraction form
    19,029.40/28,537.80 = 6,547.30/x
  3. Step 3: Cross multiply
    19,029.40x = 28,537.80 × 6,547.30
  4. Step 4: Simplify right side
    19,029.40x = 186,845,537.94
  5. Step 5: Solve for x
    x = 186,845,537.94/19,029.40
  6. Step 6: Final answer
    x = 9,818.78

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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.