Home / 28,430.77-39,231.81-27,475.35

Finding the Fourth Proportional to 28,430.77, 39,231.81 and 27,475.35

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Solution

The fourth proportional to 28,430.77, 39,231.81 and 27,475.35 is: 37,913.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,430.77 : 39,231.81 = 27,475.35 : x
  2. Step 2: Convert to fraction form
    28,430.77/39,231.81 = 27,475.35/x
  3. Step 3: Cross multiply
    28,430.77x = 39,231.81 × 27,475.35
  4. Step 4: Simplify right side
    28,430.77x = 1,077,907,710.88
  5. Step 5: Solve for x
    x = 1,077,907,710.88/28,430.77
  6. Step 6: Final answer
    x = 37,913.42

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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.