Home / 37,728.90-52,065.58-20,501.12

Finding the Fourth Proportional to 37,728.90, 52,065.58 and 20,501.12

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Solution

The fourth proportional to 37,728.90, 52,065.58 and 20,501.12 is: 28,291.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,728.90 : 52,065.58 = 20,501.12 : x
  2. Step 2: Convert to fraction form
    37,728.90/52,065.58 = 20,501.12/x
  3. Step 3: Cross multiply
    37,728.90x = 52,065.58 × 20,501.12
  4. Step 4: Simplify right side
    37,728.90x = 1,067,402,391.87
  5. Step 5: Solve for x
    x = 1,067,402,391.87/37,728.90
  6. Step 6: Final answer
    x = 28,291.37

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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.