Home / 28,070.14-42,068.64-11,410.71

Finding the Fourth Proportional to 28,070.14, 42,068.64 and 11,410.71

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Solution

The fourth proportional to 28,070.14, 42,068.64 and 11,410.71 is: 17,101.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,070.14 : 42,068.64 = 11,410.71 : x
  2. Step 2: Convert to fraction form
    28,070.14/42,068.64 = 11,410.71/x
  3. Step 3: Cross multiply
    28,070.14x = 42,068.64 × 11,410.71
  4. Step 4: Simplify right side
    28,070.14x = 480,032,917.44
  5. Step 5: Solve for x
    x = 480,032,917.44/28,070.14
  6. Step 6: Final answer
    x = 17,101.20

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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.