Home / 38,448.16-57,672.24-15,085.60

Finding the Fourth Proportional to 38,448.16, 57,672.24 and 15,085.60

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Solution

The fourth proportional to 38,448.16, 57,672.24 and 15,085.60 is: 22,628.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,448.16 : 57,672.24 = 15,085.60 : x
  2. Step 2: Convert to fraction form
    38,448.16/57,672.24 = 15,085.60/x
  3. Step 3: Cross multiply
    38,448.16x = 57,672.24 × 15,085.60
  4. Step 4: Simplify right side
    38,448.16x = 870,020,343.74
  5. Step 5: Solve for x
    x = 870,020,343.74/38,448.16
  6. Step 6: Final answer
    x = 22,628.40

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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.