Home / 27,769.36-38,322.48-15,834.64

Finding the Fourth Proportional to 27,769.36, 38,322.48 and 15,834.64

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Solution

The fourth proportional to 27,769.36, 38,322.48 and 15,834.64 is: 21,852.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,769.36 : 38,322.48 = 15,834.64 : x
  2. Step 2: Convert to fraction form
    27,769.36/38,322.48 = 15,834.64/x
  3. Step 3: Cross multiply
    27,769.36x = 38,322.48 × 15,834.64
  4. Step 4: Simplify right side
    27,769.36x = 606,822,674.71
  5. Step 5: Solve for x
    x = 606,822,674.71/27,769.36
  6. Step 6: Final answer
    x = 21,852.24

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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.