Home / 27,488.07-41,209.02-19,143.45

Finding the Fourth Proportional to 27,488.07, 41,209.02 and 19,143.45

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Solution

The fourth proportional to 27,488.07, 41,209.02 and 19,143.45 is: 28,699.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,488.07 : 41,209.02 = 19,143.45 : x
  2. Step 2: Convert to fraction form
    27,488.07/41,209.02 = 19,143.45/x
  3. Step 3: Cross multiply
    27,488.07x = 41,209.02 × 19,143.45
  4. Step 4: Simplify right side
    27,488.07x = 788,882,813.92
  5. Step 5: Solve for x
    x = 788,882,813.92/27,488.07
  6. Step 6: Final answer
    x = 28,699.10

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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.