Home / 28,080.48-42,106.64-9,353.94

Finding the Fourth Proportional to 28,080.48, 42,106.64 and 9,353.94

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Solution

The fourth proportional to 28,080.48, 42,106.64 and 9,353.94 is: 14,026.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,080.48 : 42,106.64 = 9,353.94 : x
  2. Step 2: Convert to fraction form
    28,080.48/42,106.64 = 9,353.94/x
  3. Step 3: Cross multiply
    28,080.48x = 42,106.64 × 9,353.94
  4. Step 4: Simplify right side
    28,080.48x = 393,862,984.16
  5. Step 5: Solve for x
    x = 393,862,984.16/28,080.48
  6. Step 6: Final answer
    x = 14,026.22

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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.