Home / 27,790.02-38,350.26-15,214.50

Finding the Fourth Proportional to 27,790.02, 38,350.26 and 15,214.50

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Solution

The fourth proportional to 27,790.02, 38,350.26 and 15,214.50 is: 20,996.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,790.02 : 38,350.26 = 15,214.50 : x
  2. Step 2: Convert to fraction form
    27,790.02/38,350.26 = 15,214.50/x
  3. Step 3: Cross multiply
    27,790.02x = 38,350.26 × 15,214.50
  4. Step 4: Simplify right side
    27,790.02x = 583,480,030.77
  5. Step 5: Solve for x
    x = 583,480,030.77/27,790.02
  6. Step 6: Final answer
    x = 20,996.03

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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.