Home / 27,419.50-41,130.71-8,700.99

Finding the Fourth Proportional to 27,419.50, 41,130.71 and 8,700.99

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Solution

The fourth proportional to 27,419.50, 41,130.71 and 8,700.99 is: 13,051.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,419.50 : 41,130.71 = 8,700.99 : x
  2. Step 2: Convert to fraction form
    27,419.50/41,130.71 = 8,700.99/x
  3. Step 3: Cross multiply
    27,419.50x = 41,130.71 × 8,700.99
  4. Step 4: Simplify right side
    27,419.50x = 357,877,896.40
  5. Step 5: Solve for x
    x = 357,877,896.40/27,419.50
  6. Step 6: Final answer
    x = 13,051.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.