Home / 27,780.54-38,336.93-15,033.67

Finding the Fourth Proportional to 27,780.54, 38,336.93 and 15,033.67

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Solution

The fourth proportional to 27,780.54, 38,336.93 and 15,033.67 is: 20,746.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,780.54 : 38,336.93 = 15,033.67 : x
  2. Step 2: Convert to fraction form
    27,780.54/38,336.93 = 15,033.67/x
  3. Step 3: Cross multiply
    27,780.54x = 38,336.93 × 15,033.67
  4. Step 4: Simplify right side
    27,780.54x = 576,344,639.80
  5. Step 5: Solve for x
    x = 576,344,639.80/27,780.54
  6. Step 6: Final answer
    x = 20,746.35

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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.