Home / 21,585.38-32,317.86-11,032.70

Finding the Fourth Proportional to 21,585.38, 32,317.86 and 11,032.70

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Solution

The fourth proportional to 21,585.38, 32,317.86 and 11,032.70 is: 16,518.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,585.38 : 32,317.86 = 11,032.70 : x
  2. Step 2: Convert to fraction form
    21,585.38/32,317.86 = 11,032.70/x
  3. Step 3: Cross multiply
    21,585.38x = 32,317.86 × 11,032.70
  4. Step 4: Simplify right side
    21,585.38x = 356,553,254.02
  5. Step 5: Solve for x
    x = 356,553,254.02/21,585.38
  6. Step 6: Final answer
    x = 16,518.28

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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.