Home / 40,785.14-56,223.91-28,827.38

Finding the Fourth Proportional to 40,785.14, 56,223.91 and 28,827.38

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Solution

The fourth proportional to 40,785.14, 56,223.91 and 28,827.38 is: 39,739.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,785.14 : 56,223.91 = 28,827.38 : x
  2. Step 2: Convert to fraction form
    40,785.14/56,223.91 = 28,827.38/x
  3. Step 3: Cross multiply
    40,785.14x = 56,223.91 × 28,827.38
  4. Step 4: Simplify right side
    40,785.14x = 1,620,788,018.66
  5. Step 5: Solve for x
    x = 1,620,788,018.66/40,785.14
  6. Step 6: Final answer
    x = 39,739.67

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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.