Home / 27,824.83-38,398.05-15,078.07

Finding the Fourth Proportional to 27,824.83, 38,398.05 and 15,078.07

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Solution

The fourth proportional to 27,824.83, 38,398.05 and 15,078.07 is: 20,807.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,824.83 : 38,398.05 = 15,078.07 : x
  2. Step 2: Convert to fraction form
    27,824.83/38,398.05 = 15,078.07/x
  3. Step 3: Cross multiply
    27,824.83x = 38,398.05 × 15,078.07
  4. Step 4: Simplify right side
    27,824.83x = 578,968,485.76
  5. Step 5: Solve for x
    x = 578,968,485.76/27,824.83
  6. Step 6: Final answer
    x = 20,807.62

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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.