Home / 25,630.86-35,373.06-15,556.98

Finding the Fourth Proportional to 25,630.86, 35,373.06 and 15,556.98

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Solution

The fourth proportional to 25,630.86, 35,373.06 and 15,556.98 is: 21,470.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,630.86 : 35,373.06 = 15,556.98 : x
  2. Step 2: Convert to fraction form
    25,630.86/35,373.06 = 15,556.98/x
  3. Step 3: Cross multiply
    25,630.86x = 35,373.06 × 15,556.98
  4. Step 4: Simplify right side
    25,630.86x = 550,297,986.96
  5. Step 5: Solve for x
    x = 550,297,986.96/25,630.86
  6. Step 6: Final answer
    x = 21,470.13

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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.