Home / 19,095.90-28,687.05-13,263.90

Finding the Fourth Proportional to 19,095.90, 28,687.05 and 13,263.90

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Solution

The fourth proportional to 19,095.90, 28,687.05 and 13,263.90 is: 19,925.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,095.90 : 28,687.05 = 13,263.90 : x
  2. Step 2: Convert to fraction form
    19,095.90/28,687.05 = 13,263.90/x
  3. Step 3: Cross multiply
    19,095.90x = 28,687.05 × 13,263.90
  4. Step 4: Simplify right side
    19,095.90x = 380,502,162.50
  5. Step 5: Solve for x
    x = 380,502,162.50/19,095.90
  6. Step 6: Final answer
    x = 19,925.86

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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.