Home / 27,884.01-38,479.45-15,308.67

Finding the Fourth Proportional to 27,884.01, 38,479.45 and 15,308.67

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Solution

The fourth proportional to 27,884.01, 38,479.45 and 15,308.67 is: 21,125.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,884.01 : 38,479.45 = 15,308.67 : x
  2. Step 2: Convert to fraction form
    27,884.01/38,479.45 = 15,308.67/x
  3. Step 3: Cross multiply
    27,884.01x = 38,479.45 × 15,308.67
  4. Step 4: Simplify right side
    27,884.01x = 589,069,201.83
  5. Step 5: Solve for x
    x = 589,069,201.83/27,884.01
  6. Step 6: Final answer
    x = 21,125.70

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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.