Home / 19,284.77-28,857.01-15,921.75

Finding the Fourth Proportional to 19,284.77, 28,857.01 and 15,921.75

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Solution

The fourth proportional to 19,284.77, 28,857.01 and 15,921.75 is: 23,824.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,284.77 : 28,857.01 = 15,921.75 : x
  2. Step 2: Convert to fraction form
    19,284.77/28,857.01 = 15,921.75/x
  3. Step 3: Cross multiply
    19,284.77x = 28,857.01 × 15,921.75
  4. Step 4: Simplify right side
    19,284.77x = 459,453,875.07
  5. Step 5: Solve for x
    x = 459,453,875.07/19,284.77
  6. Step 6: Final answer
    x = 23,824.70

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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.