Home / 25,708.95-38,527.27-12,185.75

Finding the Fourth Proportional to 25,708.95, 38,527.27 and 12,185.75

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Solution

The fourth proportional to 25,708.95, 38,527.27 and 12,185.75 is: 18,261.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,708.95 : 38,527.27 = 12,185.75 : x
  2. Step 2: Convert to fraction form
    25,708.95/38,527.27 = 12,185.75/x
  3. Step 3: Cross multiply
    25,708.95x = 38,527.27 × 12,185.75
  4. Step 4: Simplify right side
    25,708.95x = 469,483,746.26
  5. Step 5: Solve for x
    x = 469,483,746.26/25,708.95
  6. Step 6: Final answer
    x = 18,261.49

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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.