Home / 25,831.74-38,748.55-7,113.22

Finding the Fourth Proportional to 25,831.74, 38,748.55 and 7,113.22

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Solution

The fourth proportional to 25,831.74, 38,748.55 and 7,113.22 is: 10,670.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,831.74 : 38,748.55 = 7,113.22 : x
  2. Step 2: Convert to fraction form
    25,831.74/38,748.55 = 7,113.22/x
  3. Step 3: Cross multiply
    25,831.74x = 38,748.55 × 7,113.22
  4. Step 4: Simplify right side
    25,831.74x = 275,626,879.52
  5. Step 5: Solve for x
    x = 275,626,879.52/25,831.74
  6. Step 6: Final answer
    x = 10,670.09

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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.