Home / 23,077.89-31,834.71-15,510.87

Finding the Fourth Proportional to 23,077.89, 31,834.71 and 15,510.87

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Solution

The fourth proportional to 23,077.89, 31,834.71 and 15,510.87 is: 21,396.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,077.89 : 31,834.71 = 15,510.87 : x
  2. Step 2: Convert to fraction form
    23,077.89/31,834.71 = 15,510.87/x
  3. Step 3: Cross multiply
    23,077.89x = 31,834.71 × 15,510.87
  4. Step 4: Simplify right side
    23,077.89x = 493,784,048.30
  5. Step 5: Solve for x
    x = 493,784,048.30/23,077.89
  6. Step 6: Final answer
    x = 21,396.41

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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.