Home / 21,070.56-31,595.26-7,025.61

Finding the Fourth Proportional to 21,070.56, 31,595.26 and 7,025.61

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Solution

The fourth proportional to 21,070.56, 31,595.26 and 7,025.61 is: 10,534.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,070.56 : 31,595.26 = 7,025.61 : x
  2. Step 2: Convert to fraction form
    21,070.56/31,595.26 = 7,025.61/x
  3. Step 3: Cross multiply
    21,070.56x = 31,595.26 × 7,025.61
  4. Step 4: Simplify right side
    21,070.56x = 221,976,068.94
  5. Step 5: Solve for x
    x = 221,976,068.94/21,070.56
  6. Step 6: Final answer
    x = 10,534.89

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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.