Home / 21,927.61-32,847.67-13,587.85

Finding the Fourth Proportional to 21,927.61, 32,847.67 and 13,587.85

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Solution

The fourth proportional to 21,927.61, 32,847.67 and 13,587.85 is: 20,354.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,927.61 : 32,847.67 = 13,587.85 : x
  2. Step 2: Convert to fraction form
    21,927.61/32,847.67 = 13,587.85/x
  3. Step 3: Cross multiply
    21,927.61x = 32,847.67 × 13,587.85
  4. Step 4: Simplify right side
    21,927.61x = 446,329,212.81
  5. Step 5: Solve for x
    x = 446,329,212.81/21,927.61
  6. Step 6: Final answer
    x = 20,354.67

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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.