Home / 27,173.95-37,501.72-20,447.64

Finding the Fourth Proportional to 27,173.95, 37,501.72 and 20,447.64

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Solution

The fourth proportional to 27,173.95, 37,501.72 and 20,447.64 is: 28,219.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,173.95 : 37,501.72 = 20,447.64 : x
  2. Step 2: Convert to fraction form
    27,173.95/37,501.72 = 20,447.64/x
  3. Step 3: Cross multiply
    27,173.95x = 37,501.72 × 20,447.64
  4. Step 4: Simplify right side
    27,173.95x = 766,821,618.82
  5. Step 5: Solve for x
    x = 766,821,618.82/27,173.95
  6. Step 6: Final answer
    x = 28,219.00

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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.