Home / 28,552.86-39,403.47-15,977.58

Finding the Fourth Proportional to 28,552.86, 39,403.47 and 15,977.58

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Solution

The fourth proportional to 28,552.86, 39,403.47 and 15,977.58 is: 22,049.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,552.86 : 39,403.47 = 15,977.58 : x
  2. Step 2: Convert to fraction form
    28,552.86/39,403.47 = 15,977.58/x
  3. Step 3: Cross multiply
    28,552.86x = 39,403.47 × 15,977.58
  4. Step 4: Simplify right side
    28,552.86x = 629,572,094.20
  5. Step 5: Solve for x
    x = 629,572,094.20/28,552.86
  6. Step 6: Final answer
    x = 22,049.35

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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.