Home / 38,688.98-58,014.32-13,725.29

Finding the Fourth Proportional to 38,688.98, 58,014.32 and 13,725.29

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Solution

The fourth proportional to 38,688.98, 58,014.32 and 13,725.29 is: 20,581.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,688.98 : 58,014.32 = 13,725.29 : x
  2. Step 2: Convert to fraction form
    38,688.98/58,014.32 = 13,725.29/x
  3. Step 3: Cross multiply
    38,688.98x = 58,014.32 × 13,725.29
  4. Step 4: Simplify right side
    38,688.98x = 796,263,007.45
  5. Step 5: Solve for x
    x = 796,263,007.45/38,688.98
  6. Step 6: Final answer
    x = 20,581.13

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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.