Home / 27,553.02-38,023.20-14,977.77

Finding the Fourth Proportional to 27,553.02, 38,023.20 and 14,977.77

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Solution

The fourth proportional to 27,553.02, 38,023.20 and 14,977.77 is: 20,669.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,553.02 : 38,023.20 = 14,977.77 : x
  2. Step 2: Convert to fraction form
    27,553.02/38,023.20 = 14,977.77/x
  3. Step 3: Cross multiply
    27,553.02x = 38,023.20 × 14,977.77
  4. Step 4: Simplify right side
    27,553.02x = 569,502,669.38
  5. Step 5: Solve for x
    x = 569,502,669.38/27,553.02
  6. Step 6: Final answer
    x = 20,669.34

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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.