Home / 28,287.28-39,027.64-16,346.26

Finding the Fourth Proportional to 28,287.28, 39,027.64 and 16,346.26

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Solution

The fourth proportional to 28,287.28, 39,027.64 and 16,346.26 is: 22,552.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,287.28 : 39,027.64 = 16,346.26 : x
  2. Step 2: Convert to fraction form
    28,287.28/39,027.64 = 16,346.26/x
  3. Step 3: Cross multiply
    28,287.28x = 39,027.64 × 16,346.26
  4. Step 4: Simplify right side
    28,287.28x = 637,955,950.63
  5. Step 5: Solve for x
    x = 637,955,950.63/28,287.28
  6. Step 6: Final answer
    x = 22,552.75

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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.