Home / 21,235.68-31,853.52-9,535.23

Finding the Fourth Proportional to 21,235.68, 31,853.52 and 9,535.23

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Solution

The fourth proportional to 21,235.68, 31,853.52 and 9,535.23 is: 14,302.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,235.68 : 31,853.52 = 9,535.23 : x
  2. Step 2: Convert to fraction form
    21,235.68/31,853.52 = 9,535.23/x
  3. Step 3: Cross multiply
    21,235.68x = 31,853.52 × 9,535.23
  4. Step 4: Simplify right side
    21,235.68x = 303,730,639.51
  5. Step 5: Solve for x
    x = 303,730,639.51/21,235.68
  6. Step 6: Final answer
    x = 14,302.85

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Similar ratio
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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.