Home / 28,332.05-42,495.37-8,610.77

Finding the Fourth Proportional to 28,332.05, 42,495.37 and 8,610.77

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Solution

The fourth proportional to 28,332.05, 42,495.37 and 8,610.77 is: 12,915.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,332.05 : 42,495.37 = 8,610.77 : x
  2. Step 2: Convert to fraction form
    28,332.05/42,495.37 = 8,610.77/x
  3. Step 3: Cross multiply
    28,332.05x = 42,495.37 × 8,610.77
  4. Step 4: Simplify right side
    28,332.05x = 365,917,941.85
  5. Step 5: Solve for x
    x = 365,917,941.85/28,332.05
  6. Step 6: Final answer
    x = 12,915.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.