Home / 28,738.47-43,070.28-16,087.69

Finding the Fourth Proportional to 28,738.47, 43,070.28 and 16,087.69

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Solution

The fourth proportional to 28,738.47, 43,070.28 and 16,087.69 is: 24,110.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,738.47 : 43,070.28 = 16,087.69 : x
  2. Step 2: Convert to fraction form
    28,738.47/43,070.28 = 16,087.69/x
  3. Step 3: Cross multiply
    28,738.47x = 43,070.28 × 16,087.69
  4. Step 4: Simplify right side
    28,738.47x = 692,901,312.85
  5. Step 5: Solve for x
    x = 692,901,312.85/28,738.47
  6. Step 6: Final answer
    x = 24,110.58

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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.