Home / 25,926.32-38,831.13-18,169.76

Finding the Fourth Proportional to 25,926.32, 38,831.13 and 18,169.76

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Solution

The fourth proportional to 25,926.32, 38,831.13 and 18,169.76 is: 27,213.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,926.32 : 38,831.13 = 18,169.76 : x
  2. Step 2: Convert to fraction form
    25,926.32/38,831.13 = 18,169.76/x
  3. Step 3: Cross multiply
    25,926.32x = 38,831.13 × 18,169.76
  4. Step 4: Simplify right side
    25,926.32x = 705,552,312.63
  5. Step 5: Solve for x
    x = 705,552,312.63/25,926.32
  6. Step 6: Final answer
    x = 27,213.75

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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.