Home / 28,808.75-43,218.48-10,088.39

Finding the Fourth Proportional to 28,808.75, 43,218.48 and 10,088.39

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Solution

The fourth proportional to 28,808.75, 43,218.48 and 10,088.39 is: 15,134.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,808.75 : 43,218.48 = 10,088.39 : x
  2. Step 2: Convert to fraction form
    28,808.75/43,218.48 = 10,088.39/x
  3. Step 3: Cross multiply
    28,808.75x = 43,218.48 × 10,088.39
  4. Step 4: Simplify right side
    28,808.75x = 436,004,881.45
  5. Step 5: Solve for x
    x = 436,004,881.45/28,808.75
  6. Step 6: Final answer
    x = 15,134.46

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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.