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Finding the Fourth Proportional to 25,485, 35,170.19 and 14,154.67

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Solution

The fourth proportional to 25,485, 35,170.19 and 14,154.67 is: 19,533.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,485 : 35,170.19 = 14,154.67 : x
  2. Step 2: Convert to fraction form
    25,485/35,170.19 = 14,154.67/x
  3. Step 3: Cross multiply
    25,485x = 35,170.19 × 14,154.67
  4. Step 4: Simplify right side
    25,485x = 497,822,433.29
  5. Step 5: Solve for x
    x = 497,822,433.29/25,485
  6. Step 6: Final answer
    x = 19,533.94

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Double scale
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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.