Home / 27,085.04-40,628.45-9,315.52

Finding the Fourth Proportional to 27,085.04, 40,628.45 and 9,315.52

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Solution

The fourth proportional to 27,085.04, 40,628.45 and 9,315.52 is: 13,973.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,085.04 : 40,628.45 = 9,315.52 : x
  2. Step 2: Convert to fraction form
    27,085.04/40,628.45 = 9,315.52/x
  3. Step 3: Cross multiply
    27,085.04x = 40,628.45 × 9,315.52
  4. Step 4: Simplify right side
    27,085.04x = 378,475,138.54
  5. Step 5: Solve for x
    x = 378,475,138.54/27,085.04
  6. Step 6: Final answer
    x = 13,973.59

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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.