Home / 21,534.07-32,265.90-20,713.94

Finding the Fourth Proportional to 21,534.07, 32,265.90 and 20,713.94

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Solution

The fourth proportional to 21,534.07, 32,265.90 and 20,713.94 is: 31,037.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,534.07 : 32,265.90 = 20,713.94 : x
  2. Step 2: Convert to fraction form
    21,534.07/32,265.90 = 20,713.94/x
  3. Step 3: Cross multiply
    21,534.07x = 32,265.90 × 20,713.94
  4. Step 4: Simplify right side
    21,534.07x = 668,353,916.65
  5. Step 5: Solve for x
    x = 668,353,916.65/21,534.07
  6. Step 6: Final answer
    x = 31,037.05

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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.