Home / 19,515.60-26,914.50-15,737.67

Finding the Fourth Proportional to 19,515.60, 26,914.50 and 15,737.67

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Solution

The fourth proportional to 19,515.60, 26,914.50 and 15,737.67 is: 21,704.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,515.60 : 26,914.50 = 15,737.67 : x
  2. Step 2: Convert to fraction form
    19,515.60/26,914.50 = 15,737.67/x
  3. Step 3: Cross multiply
    19,515.60x = 26,914.50 × 15,737.67
  4. Step 4: Simplify right side
    19,515.60x = 423,571,519.22
  5. Step 5: Solve for x
    x = 423,571,519.22/19,515.60
  6. Step 6: Final answer
    x = 21,704.25

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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.