Home / 25,333.08-37,990.29-8,688.66

Finding the Fourth Proportional to 25,333.08, 37,990.29 and 8,688.66

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Solution

The fourth proportional to 25,333.08, 37,990.29 and 8,688.66 is: 13,029.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,333.08 : 37,990.29 = 8,688.66 : x
  2. Step 2: Convert to fraction form
    25,333.08/37,990.29 = 8,688.66/x
  3. Step 3: Cross multiply
    25,333.08x = 37,990.29 × 8,688.66
  4. Step 4: Simplify right side
    25,333.08x = 330,084,713.11
  5. Step 5: Solve for x
    x = 330,084,713.11/25,333.08
  6. Step 6: Final answer
    x = 13,029.79

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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.