Home / 25,237.81-37,856.71-12,740.64

Finding the Fourth Proportional to 25,237.81, 37,856.71 and 12,740.64

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Solution

The fourth proportional to 25,237.81, 37,856.71 and 12,740.64 is: 19,110.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,237.81 : 37,856.71 = 12,740.64 : x
  2. Step 2: Convert to fraction form
    25,237.81/37,856.71 = 12,740.64/x
  3. Step 3: Cross multiply
    25,237.81x = 37,856.71 × 12,740.64
  4. Step 4: Simplify right side
    25,237.81x = 482,318,831.96
  5. Step 5: Solve for x
    x = 482,318,831.96/25,237.81
  6. Step 6: Final answer
    x = 19,110.96

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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.