Home / 28,080.07-42,099.35-16,984.08

Finding the Fourth Proportional to 28,080.07, 42,099.35 and 16,984.08

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Solution

The fourth proportional to 28,080.07, 42,099.35 and 16,984.08 is: 25,463.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,080.07 : 42,099.35 = 16,984.08 : x
  2. Step 2: Convert to fraction form
    28,080.07/42,099.35 = 16,984.08/x
  3. Step 3: Cross multiply
    28,080.07x = 42,099.35 × 16,984.08
  4. Step 4: Simplify right side
    28,080.07x = 715,018,643.43
  5. Step 5: Solve for x
    x = 715,018,643.43/28,080.07
  6. Step 6: Final answer
    x = 25,463.57

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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.