Home / 25,311.80-37,981.32-10,530.92

Finding the Fourth Proportional to 25,311.80, 37,981.32 and 10,530.92

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Solution

The fourth proportional to 25,311.80, 37,981.32 and 10,530.92 is: 15,802.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,311.80 : 37,981.32 = 10,530.92 : x
  2. Step 2: Convert to fraction form
    25,311.80/37,981.32 = 10,530.92/x
  3. Step 3: Cross multiply
    25,311.80x = 37,981.32 × 10,530.92
  4. Step 4: Simplify right side
    25,311.80x = 399,978,242.41
  5. Step 5: Solve for x
    x = 399,978,242.41/25,311.80
  6. Step 6: Final answer
    x = 15,802.05

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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.