Home / 19,828.47-29,702.21-11,068.05

Finding the Fourth Proportional to 19,828.47, 29,702.21 and 11,068.05

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Solution

The fourth proportional to 19,828.47, 29,702.21 and 11,068.05 is: 16,579.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,828.47 : 29,702.21 = 11,068.05 : x
  2. Step 2: Convert to fraction form
    19,828.47/29,702.21 = 11,068.05/x
  3. Step 3: Cross multiply
    19,828.47x = 29,702.21 × 11,068.05
  4. Step 4: Simplify right side
    19,828.47x = 328,745,490.05
  5. Step 5: Solve for x
    x = 328,745,490.05/19,828.47
  6. Step 6: Final answer
    x = 16,579.47

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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.