Home / 27,554.10-38,023.60-14,978.85

Finding the Fourth Proportional to 27,554.10, 38,023.60 and 14,978.85

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Solution

The fourth proportional to 27,554.10, 38,023.60 and 14,978.85 is: 20,670.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,554.10 : 38,023.60 = 14,978.85 : x
  2. Step 2: Convert to fraction form
    27,554.10/38,023.60 = 14,978.85/x
  3. Step 3: Cross multiply
    27,554.10x = 38,023.60 × 14,978.85
  4. Step 4: Simplify right side
    27,554.10x = 569,549,800.86
  5. Step 5: Solve for x
    x = 569,549,800.86/27,554.10
  6. Step 6: Final answer
    x = 20,670.24

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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.