Home / 21,485.34-32,165.42-15,963.17

Finding the Fourth Proportional to 21,485.34, 32,165.42 and 15,963.17

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Solution

The fourth proportional to 21,485.34, 32,165.42 and 15,963.17 is: 23,898.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,485.34 : 32,165.42 = 15,963.17 : x
  2. Step 2: Convert to fraction form
    21,485.34/32,165.42 = 15,963.17/x
  3. Step 3: Cross multiply
    21,485.34x = 32,165.42 × 15,963.17
  4. Step 4: Simplify right side
    21,485.34x = 513,461,826.94
  5. Step 5: Solve for x
    x = 513,461,826.94/21,485.34
  6. Step 6: Final answer
    x = 23,898.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.