Home / 27,292.55-37,663.56-15,355.98

Finding the Fourth Proportional to 27,292.55, 37,663.56 and 15,355.98

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Solution

The fourth proportional to 27,292.55, 37,663.56 and 15,355.98 is: 21,191.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,292.55 : 37,663.56 = 15,355.98 : x
  2. Step 2: Convert to fraction form
    27,292.55/37,663.56 = 15,355.98/x
  3. Step 3: Cross multiply
    27,292.55x = 37,663.56 × 15,355.98
  4. Step 4: Simplify right side
    27,292.55x = 578,360,830.90
  5. Step 5: Solve for x
    x = 578,360,830.90/27,292.55
  6. Step 6: Final answer
    x = 21,191.17

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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.