Home / 28,645.63-42,970.75-10,884.79

Finding the Fourth Proportional to 28,645.63, 42,970.75 and 10,884.79

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Solution

The fourth proportional to 28,645.63, 42,970.75 and 10,884.79 is: 16,328.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,645.63 : 42,970.75 = 10,884.79 : x
  2. Step 2: Convert to fraction form
    28,645.63/42,970.75 = 10,884.79/x
  3. Step 3: Cross multiply
    28,645.63x = 42,970.75 × 10,884.79
  4. Step 4: Simplify right side
    28,645.63x = 467,727,616.39
  5. Step 5: Solve for x
    x = 467,727,616.39/28,645.63
  6. Step 6: Final answer
    x = 16,328.06

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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.