Home / 25,800.22-38,700.37-7,080.51

Finding the Fourth Proportional to 25,800.22, 38,700.37 and 7,080.51

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Solution

The fourth proportional to 25,800.22, 38,700.37 and 7,080.51 is: 10,620.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,800.22 : 38,700.37 = 7,080.51 : x
  2. Step 2: Convert to fraction form
    25,800.22/38,700.37 = 7,080.51/x
  3. Step 3: Cross multiply
    25,800.22x = 38,700.37 × 7,080.51
  4. Step 4: Simplify right side
    25,800.22x = 274,018,356.79
  5. Step 5: Solve for x
    x = 274,018,356.79/25,800.22
  6. Step 6: Final answer
    x = 10,620.78

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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.