Home / 29,309.32-40,446.54-15,880.24

Finding the Fourth Proportional to 29,309.32, 40,446.54 and 15,880.24

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Solution

The fourth proportional to 29,309.32, 40,446.54 and 15,880.24 is: 21,914.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,309.32 : 40,446.54 = 15,880.24 : x
  2. Step 2: Convert to fraction form
    29,309.32/40,446.54 = 15,880.24/x
  3. Step 3: Cross multiply
    29,309.32x = 40,446.54 × 15,880.24
  4. Step 4: Simplify right side
    29,309.32x = 642,300,762.37
  5. Step 5: Solve for x
    x = 642,300,762.37/29,309.32
  6. Step 6: Final answer
    x = 21,914.56

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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.