Home / 28,999.94-40,017.47-16,079.58

Finding the Fourth Proportional to 28,999.94, 40,017.47 and 16,079.58

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Solution

The fourth proportional to 28,999.94, 40,017.47 and 16,079.58 is: 22,188.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,999.94 : 40,017.47 = 16,079.58 : x
  2. Step 2: Convert to fraction form
    28,999.94/40,017.47 = 16,079.58/x
  3. Step 3: Cross multiply
    28,999.94x = 40,017.47 × 16,079.58
  4. Step 4: Simplify right side
    28,999.94x = 643,464,029.86
  5. Step 5: Solve for x
    x = 643,464,029.86/28,999.94
  6. Step 6: Final answer
    x = 22,188.46

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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.