Home / 22,618.40-31,237.80-17,641.76

Finding the Fourth Proportional to 22,618.40, 31,237.80 and 17,641.76

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Solution

The fourth proportional to 22,618.40, 31,237.80 and 17,641.76 is: 24,364.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,618.40 : 31,237.80 = 17,641.76 : x
  2. Step 2: Convert to fraction form
    22,618.40/31,237.80 = 17,641.76/x
  3. Step 3: Cross multiply
    22,618.40x = 31,237.80 × 17,641.76
  4. Step 4: Simplify right side
    22,618.40x = 551,089,770.53
  5. Step 5: Solve for x
    x = 551,089,770.53/22,618.40
  6. Step 6: Final answer
    x = 24,364.67

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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.