Home / 28,460.54-39,274.59-15,713.51

Finding the Fourth Proportional to 28,460.54, 39,274.59 and 15,713.51

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Solution

The fourth proportional to 28,460.54, 39,274.59 and 15,713.51 is: 21,684.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,460.54 : 39,274.59 = 15,713.51 : x
  2. Step 2: Convert to fraction form
    28,460.54/39,274.59 = 15,713.51/x
  3. Step 3: Cross multiply
    28,460.54x = 39,274.59 × 15,713.51
  4. Step 4: Simplify right side
    28,460.54x = 617,141,662.71
  5. Step 5: Solve for x
    x = 617,141,662.71/28,460.54
  6. Step 6: Final answer
    x = 21,684.12

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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.