Home / 27,290.06-37,657.23-15,357.50

Finding the Fourth Proportional to 27,290.06, 37,657.23 and 15,357.50

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Solution

The fourth proportional to 27,290.06, 37,657.23 and 15,357.50 is: 21,191.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,290.06 : 37,657.23 = 15,357.50 : x
  2. Step 2: Convert to fraction form
    27,290.06/37,657.23 = 15,357.50/x
  3. Step 3: Cross multiply
    27,290.06x = 37,657.23 × 15,357.50
  4. Step 4: Simplify right side
    27,290.06x = 578,320,909.73
  5. Step 5: Solve for x
    x = 578,320,909.73/27,290.06
  6. Step 6: Final answer
    x = 21,191.63

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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.