Home / 28,445.34-42,643.91-11,794.98

Finding the Fourth Proportional to 28,445.34, 42,643.91 and 11,794.98

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Solution

The fourth proportional to 28,445.34, 42,643.91 and 11,794.98 is: 17,682.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,445.34 : 42,643.91 = 11,794.98 : x
  2. Step 2: Convert to fraction form
    28,445.34/42,643.91 = 11,794.98/x
  3. Step 3: Cross multiply
    28,445.34x = 42,643.91 × 11,794.98
  4. Step 4: Simplify right side
    28,445.34x = 502,984,006.60
  5. Step 5: Solve for x
    x = 502,984,006.60/28,445.34
  6. Step 6: Final answer
    x = 17,682.47

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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.