Home / 27,831.81-41,749.47-9,113.79

Finding the Fourth Proportional to 27,831.81, 41,749.47 and 9,113.79

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Solution

The fourth proportional to 27,831.81, 41,749.47 and 9,113.79 is: 13,671.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,831.81 : 41,749.47 = 9,113.79 : x
  2. Step 2: Convert to fraction form
    27,831.81/41,749.47 = 9,113.79/x
  3. Step 3: Cross multiply
    27,831.81x = 41,749.47 × 9,113.79
  4. Step 4: Simplify right side
    27,831.81x = 380,495,902.19
  5. Step 5: Solve for x
    x = 380,495,902.19/27,831.81
  6. Step 6: Final answer
    x = 13,671.26

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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.