Home / 28,473.36-39,292.98-15,727.32

Finding the Fourth Proportional to 28,473.36, 39,292.98 and 15,727.32

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Solution

The fourth proportional to 28,473.36, 39,292.98 and 15,727.32 is: 21,703.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,473.36 : 39,292.98 = 15,727.32 : x
  2. Step 2: Convert to fraction form
    28,473.36/39,292.98 = 15,727.32/x
  3. Step 3: Cross multiply
    28,473.36x = 39,292.98 × 15,727.32
  4. Step 4: Simplify right side
    28,473.36x = 617,973,270.21
  5. Step 5: Solve for x
    x = 617,973,270.21/28,473.36
  6. Step 6: Final answer
    x = 21,703.56

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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.