Home / 19,914.08-29,875.20-16,649.98

Finding the Fourth Proportional to 19,914.08, 29,875.20 and 16,649.98

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Solution

The fourth proportional to 19,914.08, 29,875.20 and 16,649.98 is: 24,978.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,914.08 : 29,875.20 = 16,649.98 : x
  2. Step 2: Convert to fraction form
    19,914.08/29,875.20 = 16,649.98/x
  3. Step 3: Cross multiply
    19,914.08x = 29,875.20 × 16,649.98
  4. Step 4: Simplify right side
    19,914.08x = 497,421,345.37
  5. Step 5: Solve for x
    x = 497,421,345.37/19,914.08
  6. Step 6: Final answer
    x = 24,978.38

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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.