Home / 21,973.56-32,904.03-15,209.77

Finding the Fourth Proportional to 21,973.56, 32,904.03 and 15,209.77

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Solution

The fourth proportional to 21,973.56, 32,904.03 and 15,209.77 is: 22,775.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,973.56 : 32,904.03 = 15,209.77 : x
  2. Step 2: Convert to fraction form
    21,973.56/32,904.03 = 15,209.77/x
  3. Step 3: Cross multiply
    21,973.56x = 32,904.03 × 15,209.77
  4. Step 4: Simplify right side
    21,973.56x = 500,462,601.88
  5. Step 5: Solve for x
    x = 500,462,601.88/21,973.56
  6. Step 6: Final answer
    x = 22,775.67

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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.