Home / 21,065.00-31,597.40-8,582.24

Finding the Fourth Proportional to 21,065.00, 31,597.40 and 8,582.24

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Solution

The fourth proportional to 21,065.00, 31,597.40 and 8,582.24 is: 12,873.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,065.00 : 31,597.40 = 8,582.24 : x
  2. Step 2: Convert to fraction form
    21,065.00/31,597.40 = 8,582.24/x
  3. Step 3: Cross multiply
    21,065.00x = 31,597.40 × 8,582.24
  4. Step 4: Simplify right side
    21,065.00x = 271,176,333.64
  5. Step 5: Solve for x
    x = 271,176,333.64/21,065.00
  6. Step 6: Final answer
    x = 12,873.32

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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.