Home / 28,065.90-42,097.95-9,346.80

Finding the Fourth Proportional to 28,065.90, 42,097.95 and 9,346.80

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Solution

The fourth proportional to 28,065.90, 42,097.95 and 9,346.80 is: 14,019.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,065.90 : 42,097.95 = 9,346.80 : x
  2. Step 2: Convert to fraction form
    28,065.90/42,097.95 = 9,346.80/x
  3. Step 3: Cross multiply
    28,065.90x = 42,097.95 × 9,346.80
  4. Step 4: Simplify right side
    28,065.90x = 393,481,119.06
  5. Step 5: Solve for x
    x = 393,481,119.06/28,065.90
  6. Step 6: Final answer
    x = 14,019.90

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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.