Home / 15,027.40-20,678.02-14,570.86

Finding the Fourth Proportional to 15,027.40, 20,678.02 and 14,570.86

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Solution

The fourth proportional to 15,027.40, 20,678.02 and 14,570.86 is: 20,049.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,027.40 : 20,678.02 = 14,570.86 : x
  2. Step 2: Convert to fraction form
    15,027.40/20,678.02 = 14,570.86/x
  3. Step 3: Cross multiply
    15,027.40x = 20,678.02 × 14,570.86
  4. Step 4: Simplify right side
    15,027.40x = 301,296,534.50
  5. Step 5: Solve for x
    x = 301,296,534.50/15,027.40
  6. Step 6: Final answer
    x = 20,049.81

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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.