Home / 28,326.44-39,088.95-15,750.38

Finding the Fourth Proportional to 28,326.44, 39,088.95 and 15,750.38

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Solution

The fourth proportional to 28,326.44, 39,088.95 and 15,750.38 is: 21,734.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,326.44 : 39,088.95 = 15,750.38 : x
  2. Step 2: Convert to fraction form
    28,326.44/39,088.95 = 15,750.38/x
  3. Step 3: Cross multiply
    28,326.44x = 39,088.95 × 15,750.38
  4. Step 4: Simplify right side
    28,326.44x = 615,665,620.86
  5. Step 5: Solve for x
    x = 615,665,620.86/28,326.44
  6. Step 6: Final answer
    x = 21,734.67

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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.