Home / 27,292.89-37,661.52-15,355.98

Finding the Fourth Proportional to 27,292.89, 37,661.52 and 15,355.98

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Solution

The fourth proportional to 27,292.89, 37,661.52 and 15,355.98 is: 21,189.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,292.89 : 37,661.52 = 15,355.98 : x
  2. Step 2: Convert to fraction form
    27,292.89/37,661.52 = 15,355.98/x
  3. Step 3: Cross multiply
    27,292.89x = 37,661.52 × 15,355.98
  4. Step 4: Simplify right side
    27,292.89x = 578,329,547.89
  5. Step 5: Solve for x
    x = 578,329,547.89/27,292.89
  6. Step 6: Final answer
    x = 21,189.75

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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.