Home / 27,292.86-37,663.76-15,356.18

Finding the Fourth Proportional to 27,292.86, 37,663.76 and 15,356.18

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Solution

The fourth proportional to 27,292.86, 37,663.76 and 15,356.18 is: 21,191.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,292.86 : 37,663.76 = 15,356.18 : x
  2. Step 2: Convert to fraction form
    27,292.86/37,663.76 = 15,356.18/x
  3. Step 3: Cross multiply
    27,292.86x = 37,663.76 × 15,356.18
  4. Step 4: Simplify right side
    27,292.86x = 578,371,212.94
  5. Step 5: Solve for x
    x = 578,371,212.94/27,292.86
  6. Step 6: Final answer
    x = 21,191.30

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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.