Home / 23,136.30-31,928.32-13,576.35

Finding the Fourth Proportional to 23,136.30, 31,928.32 and 13,576.35

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Solution

The fourth proportional to 23,136.30, 31,928.32 and 13,576.35 is: 18,735.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,136.30 : 31,928.32 = 13,576.35 : x
  2. Step 2: Convert to fraction form
    23,136.30/31,928.32 = 13,576.35/x
  3. Step 3: Cross multiply
    23,136.30x = 31,928.32 × 13,576.35
  4. Step 4: Simplify right side
    23,136.30x = 433,470,047.23
  5. Step 5: Solve for x
    x = 433,470,047.23/23,136.30
  6. Step 6: Final answer
    x = 18,735.50

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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.