Home / 28,341.24-39,109.92-15,594.36

Finding the Fourth Proportional to 28,341.24, 39,109.92 and 15,594.36

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Solution

The fourth proportional to 28,341.24, 39,109.92 and 15,594.36 is: 21,519.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,341.24 : 39,109.92 = 15,594.36 : x
  2. Step 2: Convert to fraction form
    28,341.24/39,109.92 = 15,594.36/x
  3. Step 3: Cross multiply
    28,341.24x = 39,109.92 × 15,594.36
  4. Step 4: Simplify right side
    28,341.24x = 609,894,172.05
  5. Step 5: Solve for x
    x = 609,894,172.05/28,341.24
  6. Step 6: Final answer
    x = 21,519.67

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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.