Home / 38,379.03-52,959.47-28,313.07

Finding the Fourth Proportional to 38,379.03, 52,959.47 and 28,313.07

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Solution

The fourth proportional to 38,379.03, 52,959.47 and 28,313.07 is: 39,069.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,379.03 : 52,959.47 = 28,313.07 : x
  2. Step 2: Convert to fraction form
    38,379.03/52,959.47 = 28,313.07/x
  3. Step 3: Cross multiply
    38,379.03x = 52,959.47 × 28,313.07
  4. Step 4: Simplify right side
    38,379.03x = 1,499,445,039.71
  5. Step 5: Solve for x
    x = 1,499,445,039.71/38,379.03
  6. Step 6: Final answer
    x = 39,069.38

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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.