Home / 25,520.86-35,210.66-15,446.08

Finding the Fourth Proportional to 25,520.86, 35,210.66 and 15,446.08

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Solution

The fourth proportional to 25,520.86, 35,210.66 and 15,446.08 is: 21,310.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,520.86 : 35,210.66 = 15,446.08 : x
  2. Step 2: Convert to fraction form
    25,520.86/35,210.66 = 15,446.08/x
  3. Step 3: Cross multiply
    25,520.86x = 35,210.66 × 15,446.08
  4. Step 4: Simplify right side
    25,520.86x = 543,866,671.21
  5. Step 5: Solve for x
    x = 543,866,671.21/25,520.86
  6. Step 6: Final answer
    x = 21,310.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.