Home / 28,767.54-39,711.47-19,341.57

Finding the Fourth Proportional to 28,767.54, 39,711.47 and 19,341.57

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Solution

The fourth proportional to 28,767.54, 39,711.47 and 19,341.57 is: 26,699.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,767.54 : 39,711.47 = 19,341.57 : x
  2. Step 2: Convert to fraction form
    28,767.54/39,711.47 = 19,341.57/x
  3. Step 3: Cross multiply
    28,767.54x = 39,711.47 × 19,341.57
  4. Step 4: Simplify right side
    28,767.54x = 768,082,026.60
  5. Step 5: Solve for x
    x = 768,082,026.60/28,767.54
  6. Step 6: Final answer
    x = 26,699.61

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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.