Home / 29,337.36-40,485.45-15,908.58

Finding the Fourth Proportional to 29,337.36, 40,485.45 and 15,908.58

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Solution

The fourth proportional to 29,337.36, 40,485.45 and 15,908.58 is: 21,953.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,337.36 : 40,485.45 = 15,908.58 : x
  2. Step 2: Convert to fraction form
    29,337.36/40,485.45 = 15,908.58/x
  3. Step 3: Cross multiply
    29,337.36x = 40,485.45 × 15,908.58
  4. Step 4: Simplify right side
    29,337.36x = 644,066,020.16
  5. Step 5: Solve for x
    x = 644,066,020.16/29,337.36
  6. Step 6: Final answer
    x = 21,953.78

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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.