Home / 28,148.85-38,762.73-25,163.59

Finding the Fourth Proportional to 28,148.85, 38,762.73 and 25,163.59

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Solution

The fourth proportional to 28,148.85, 38,762.73 and 25,163.59 is: 34,651.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,148.85 : 38,762.73 = 25,163.59 : x
  2. Step 2: Convert to fraction form
    28,148.85/38,762.73 = 25,163.59/x
  3. Step 3: Cross multiply
    28,148.85x = 38,762.73 × 25,163.59
  4. Step 4: Simplify right side
    28,148.85x = 975,409,445.00
  5. Step 5: Solve for x
    x = 975,409,445.00/28,148.85
  6. Step 6: Final answer
    x = 34,651.84

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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.