Home / 25,679.22-35,430.84-15,066.80

Finding the Fourth Proportional to 25,679.22, 35,430.84 and 15,066.80

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Solution

The fourth proportional to 25,679.22, 35,430.84 and 15,066.80 is: 20,788.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,679.22 : 35,430.84 = 15,066.80 : x
  2. Step 2: Convert to fraction form
    25,679.22/35,430.84 = 15,066.80/x
  3. Step 3: Cross multiply
    25,679.22x = 35,430.84 × 15,066.80
  4. Step 4: Simplify right side
    25,679.22x = 533,829,335.82
  5. Step 5: Solve for x
    x = 533,829,335.82/25,679.22
  6. Step 6: Final answer
    x = 20,788.38

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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.