Home / 28,097.10-42,145.65-14,100.30

Finding the Fourth Proportional to 28,097.10, 42,145.65 and 14,100.30

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Solution

The fourth proportional to 28,097.10, 42,145.65 and 14,100.30 is: 21,150.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,097.10 : 42,145.65 = 14,100.30 : x
  2. Step 2: Convert to fraction form
    28,097.10/42,145.65 = 14,100.30/x
  3. Step 3: Cross multiply
    28,097.10x = 42,145.65 × 14,100.30
  4. Step 4: Simplify right side
    28,097.10x = 594,266,308.70
  5. Step 5: Solve for x
    x = 594,266,308.70/28,097.10
  6. Step 6: Final answer
    x = 21,150.45

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1.5x scale

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.