Home / 27,308.57-37,681.34-15,819.39

Finding the Fourth Proportional to 27,308.57, 37,681.34 and 15,819.39

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Solution

The fourth proportional to 27,308.57, 37,681.34 and 15,819.39 is: 21,828.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,308.57 : 37,681.34 = 15,819.39 : x
  2. Step 2: Convert to fraction form
    27,308.57/37,681.34 = 15,819.39/x
  3. Step 3: Cross multiply
    27,308.57x = 37,681.34 × 15,819.39
  4. Step 4: Simplify right side
    27,308.57x = 596,095,734.09
  5. Step 5: Solve for x
    x = 596,095,734.09/27,308.57
  6. Step 6: Final answer
    x = 21,828.16

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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.