Home / 27,563.84-38,038.49-20,652.77

Finding the Fourth Proportional to 27,563.84, 38,038.49 and 20,652.77

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Solution

The fourth proportional to 27,563.84, 38,038.49 and 20,652.77 is: 28,501.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,563.84 : 38,038.49 = 20,652.77 : x
  2. Step 2: Convert to fraction form
    27,563.84/38,038.49 = 20,652.77/x
  3. Step 3: Cross multiply
    27,563.84x = 38,038.49 × 20,652.77
  4. Step 4: Simplify right side
    27,563.84x = 785,599,891.66
  5. Step 5: Solve for x
    x = 785,599,891.66/27,563.84
  6. Step 6: Final answer
    x = 28,501.11

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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.