Home / 23,213.64-31,955.91-20,376.01

Finding the Fourth Proportional to 23,213.64, 31,955.91 and 20,376.01

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Solution

The fourth proportional to 23,213.64, 31,955.91 and 20,376.01 is: 28,049.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,213.64 : 31,955.91 = 20,376.01 : x
  2. Step 2: Convert to fraction form
    23,213.64/31,955.91 = 20,376.01/x
  3. Step 3: Cross multiply
    23,213.64x = 31,955.91 × 20,376.01
  4. Step 4: Simplify right side
    23,213.64x = 651,133,941.72
  5. Step 5: Solve for x
    x = 651,133,941.72/23,213.64
  6. Step 6: Final answer
    x = 28,049.63

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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.