Home / 25,239.18-34,831.59-13,908.65

Finding the Fourth Proportional to 25,239.18, 34,831.59 and 13,908.65

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Solution

The fourth proportional to 25,239.18, 34,831.59 and 13,908.65 is: 19,194.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,239.18 : 34,831.59 = 13,908.65 : x
  2. Step 2: Convert to fraction form
    25,239.18/34,831.59 = 13,908.65/x
  3. Step 3: Cross multiply
    25,239.18x = 34,831.59 × 13,908.65
  4. Step 4: Simplify right side
    25,239.18x = 484,460,220.10
  5. Step 5: Solve for x
    x = 484,460,220.10/25,239.18
  6. Step 6: Final answer
    x = 19,194.77

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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.