Home / 65,875.02-98,815.26-19,127.89

Finding the Fourth Proportional to 65,875.02, 98,815.26 and 19,127.89

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Solution

The fourth proportional to 65,875.02, 98,815.26 and 19,127.89 is: 28,692.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,875.02 : 98,815.26 = 19,127.89 : x
  2. Step 2: Convert to fraction form
    65,875.02/98,815.26 = 19,127.89/x
  3. Step 3: Cross multiply
    65,875.02x = 98,815.26 × 19,127.89
  4. Step 4: Simplify right side
    65,875.02x = 1,890,127,327.96
  5. Step 5: Solve for x
    x = 1,890,127,327.96/65,875.02
  6. Step 6: Final answer
    x = 28,692.63

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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.