Home / 25,979.20-35,842.70-14,647.28

Finding the Fourth Proportional to 25,979.20, 35,842.70 and 14,647.28

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Solution

The fourth proportional to 25,979.20, 35,842.70 and 14,647.28 is: 20,208.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,979.20 : 35,842.70 = 14,647.28 : x
  2. Step 2: Convert to fraction form
    25,979.20/35,842.70 = 14,647.28/x
  3. Step 3: Cross multiply
    25,979.20x = 35,842.70 × 14,647.28
  4. Step 4: Simplify right side
    25,979.20x = 524,998,062.86
  5. Step 5: Solve for x
    x = 524,998,062.86/25,979.20
  6. Step 6: Final answer
    x = 20,208.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.