Home / 23,715.79-32,726.90-13,645.78

Finding the Fourth Proportional to 23,715.79, 32,726.90 and 13,645.78

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Solution

The fourth proportional to 23,715.79, 32,726.90 and 13,645.78 is: 18,830.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,715.79 : 32,726.90 = 13,645.78 : x
  2. Step 2: Convert to fraction form
    23,715.79/32,726.90 = 13,645.78/x
  3. Step 3: Cross multiply
    23,715.79x = 32,726.90 × 13,645.78
  4. Step 4: Simplify right side
    23,715.79x = 446,584,213.87
  5. Step 5: Solve for x
    x = 446,584,213.87/23,715.79
  6. Step 6: Final answer
    x = 18,830.67

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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.