Home / 20,925.03-28,865.84-13,363.41

Finding the Fourth Proportional to 20,925.03, 28,865.84 and 13,363.41

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Solution

The fourth proportional to 20,925.03, 28,865.84 and 13,363.41 is: 18,434.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,925.03 : 28,865.84 = 13,363.41 : x
  2. Step 2: Convert to fraction form
    20,925.03/28,865.84 = 13,363.41/x
  3. Step 3: Cross multiply
    20,925.03x = 28,865.84 × 13,363.41
  4. Step 4: Simplify right side
    20,925.03x = 385,746,096.34
  5. Step 5: Solve for x
    x = 385,746,096.34/20,925.03
  6. Step 6: Final answer
    x = 18,434.67

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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.