Home / 19,690.18-29,549.12-17,807.98

Finding the Fourth Proportional to 19,690.18, 29,549.12 and 17,807.98

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Solution

The fourth proportional to 19,690.18, 29,549.12 and 17,807.98 is: 26,724.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,690.18 : 29,549.12 = 17,807.98 : x
  2. Step 2: Convert to fraction form
    19,690.18/29,549.12 = 17,807.98/x
  3. Step 3: Cross multiply
    19,690.18x = 29,549.12 × 17,807.98
  4. Step 4: Simplify right side
    19,690.18x = 526,210,137.98
  5. Step 5: Solve for x
    x = 526,210,137.98/19,690.18
  6. Step 6: Final answer
    x = 26,724.50

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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.