Home / 21,895.48-30,184.26-15,596.92

Finding the Fourth Proportional to 21,895.48, 30,184.26 and 15,596.92

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Solution

The fourth proportional to 21,895.48, 30,184.26 and 15,596.92 is: 21,501.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,895.48 : 30,184.26 = 15,596.92 : x
  2. Step 2: Convert to fraction form
    21,895.48/30,184.26 = 15,596.92/x
  3. Step 3: Cross multiply
    21,895.48x = 30,184.26 × 15,596.92
  4. Step 4: Simplify right side
    21,895.48x = 470,781,488.48
  5. Step 5: Solve for x
    x = 470,781,488.48/21,895.48
  6. Step 6: Final answer
    x = 21,501.31

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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.