Home / 28,321.09-42,455.10-9,588.02

Finding the Fourth Proportional to 28,321.09, 42,455.10 and 9,588.02

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Solution

The fourth proportional to 28,321.09, 42,455.10 and 9,588.02 is: 14,373.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,321.09 : 42,455.10 = 9,588.02 : x
  2. Step 2: Convert to fraction form
    28,321.09/42,455.10 = 9,588.02/x
  3. Step 3: Cross multiply
    28,321.09x = 42,455.10 × 9,588.02
  4. Step 4: Simplify right side
    28,321.09x = 407,060,347.90
  5. Step 5: Solve for x
    x = 407,060,347.90/28,321.09
  6. Step 6: Final answer
    x = 14,373.05

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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.