Home / 28,036.90-42,059.55-9,055.19

Finding the Fourth Proportional to 28,036.90, 42,059.55 and 9,055.19

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Solution

The fourth proportional to 28,036.90, 42,059.55 and 9,055.19 is: 13,584.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,036.90 : 42,059.55 = 9,055.19 : x
  2. Step 2: Convert to fraction form
    28,036.90/42,059.55 = 9,055.19/x
  3. Step 3: Cross multiply
    28,036.90x = 42,059.55 × 9,055.19
  4. Step 4: Simplify right side
    28,036.90x = 380,857,171.29
  5. Step 5: Solve for x
    x = 380,857,171.29/28,036.90
  6. Step 6: Final answer
    x = 13,584.14

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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.