Home / 25,619.49-35,337.87-16,678.71

Finding the Fourth Proportional to 25,619.49, 35,337.87 and 16,678.71

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Solution

The fourth proportional to 25,619.49, 35,337.87 and 16,678.71 is: 23,005.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,619.49 : 35,337.87 = 16,678.71 : x
  2. Step 2: Convert to fraction form
    25,619.49/35,337.87 = 16,678.71/x
  3. Step 3: Cross multiply
    25,619.49x = 35,337.87 × 16,678.71
  4. Step 4: Simplify right side
    25,619.49x = 589,390,085.75
  5. Step 5: Solve for x
    x = 589,390,085.75/25,619.49
  6. Step 6: Final answer
    x = 23,005.54

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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.