Home / 25,707.54-38,583.18-18,330.06

Finding the Fourth Proportional to 25,707.54, 38,583.18 and 18,330.06

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Solution

The fourth proportional to 25,707.54, 38,583.18 and 18,330.06 is: 27,510.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,707.54 : 38,583.18 = 18,330.06 : x
  2. Step 2: Convert to fraction form
    25,707.54/38,583.18 = 18,330.06/x
  3. Step 3: Cross multiply
    25,707.54x = 38,583.18 × 18,330.06
  4. Step 4: Simplify right side
    25,707.54x = 707,232,004.39
  5. Step 5: Solve for x
    x = 707,232,004.39/25,707.54
  6. Step 6: Final answer
    x = 27,510.68

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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.