Home / 28,097.36-42,146.03-15,611.40

Finding the Fourth Proportional to 28,097.36, 42,146.03 and 15,611.40

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Solution

The fourth proportional to 28,097.36, 42,146.03 and 15,611.40 is: 23,417.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,097.36 : 42,146.03 = 15,611.40 : x
  2. Step 2: Convert to fraction form
    28,097.36/42,146.03 = 15,611.40/x
  3. Step 3: Cross multiply
    28,097.36x = 42,146.03 × 15,611.40
  4. Step 4: Simplify right side
    28,097.36x = 657,958,532.74
  5. Step 5: Solve for x
    x = 657,958,532.74/28,097.36
  6. Step 6: Final answer
    x = 23,417.09

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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.