Home / 25,364.69-38,048.71-6,645.19

Finding the Fourth Proportional to 25,364.69, 38,048.71 and 6,645.19

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Solution

The fourth proportional to 25,364.69, 38,048.71 and 6,645.19 is: 9,968.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,364.69 : 38,048.71 = 6,645.19 : x
  2. Step 2: Convert to fraction form
    25,364.69/38,048.71 = 6,645.19/x
  3. Step 3: Cross multiply
    25,364.69x = 38,048.71 × 6,645.19
  4. Step 4: Simplify right side
    25,364.69x = 252,840,897.96
  5. Step 5: Solve for x
    x = 252,840,897.96/25,364.69
  6. Step 6: Final answer
    x = 9,968.22

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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.