Home / 25,012.56-34,527.96-15,585.78

Finding the Fourth Proportional to 25,012.56, 34,527.96 and 15,585.78

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Solution

The fourth proportional to 25,012.56, 34,527.96 and 15,585.78 is: 21,515.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,012.56 : 34,527.96 = 15,585.78 : x
  2. Step 2: Convert to fraction form
    25,012.56/34,527.96 = 15,585.78/x
  3. Step 3: Cross multiply
    25,012.56x = 34,527.96 × 15,585.78
  4. Step 4: Simplify right side
    25,012.56x = 538,145,188.41
  5. Step 5: Solve for x
    x = 538,145,188.41/25,012.56
  6. Step 6: Final answer
    x = 21,515.00

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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.