Home / 28,189.36-42,260.28-14,132.08

Finding the Fourth Proportional to 28,189.36, 42,260.28 and 14,132.08

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Solution

The fourth proportional to 28,189.36, 42,260.28 and 14,132.08 is: 21,186.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,189.36 : 42,260.28 = 14,132.08 : x
  2. Step 2: Convert to fraction form
    28,189.36/42,260.28 = 14,132.08/x
  3. Step 3: Cross multiply
    28,189.36x = 42,260.28 × 14,132.08
  4. Step 4: Simplify right side
    28,189.36x = 597,225,657.78
  5. Step 5: Solve for x
    x = 597,225,657.78/28,189.36
  6. Step 6: Final answer
    x = 21,186.21

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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.