Home / 28,354.37-39,126.48-16,418.52

Finding the Fourth Proportional to 28,354.37, 39,126.48 and 16,418.52

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Solution

The fourth proportional to 28,354.37, 39,126.48 and 16,418.52 is: 22,656.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,354.37 : 39,126.48 = 16,418.52 : x
  2. Step 2: Convert to fraction form
    28,354.37/39,126.48 = 16,418.52/x
  3. Step 3: Cross multiply
    28,354.37x = 39,126.48 × 16,418.52
  4. Step 4: Simplify right side
    28,354.37x = 642,398,894.41
  5. Step 5: Solve for x
    x = 642,398,894.41/28,354.37
  6. Step 6: Final answer
    x = 22,656.08

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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.