Home / 28,977.65-43,461.33-13,178.98

Finding the Fourth Proportional to 28,977.65, 43,461.33 and 13,178.98

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Solution

The fourth proportional to 28,977.65, 43,461.33 and 13,178.98 is: 19,766.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,977.65 : 43,461.33 = 13,178.98 : x
  2. Step 2: Convert to fraction form
    28,977.65/43,461.33 = 13,178.98/x
  3. Step 3: Cross multiply
    28,977.65x = 43,461.33 × 13,178.98
  4. Step 4: Simplify right side
    28,977.65x = 572,775,992.71
  5. Step 5: Solve for x
    x = 572,775,992.71/28,977.65
  6. Step 6: Final answer
    x = 19,766.13

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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.