Home / 27,288.08-37,657.40-15,351.50

Finding the Fourth Proportional to 27,288.08, 37,657.40 and 15,351.50

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Solution

The fourth proportional to 27,288.08, 37,657.40 and 15,351.50 is: 21,184.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,288.08 : 37,657.40 = 15,351.50 : x
  2. Step 2: Convert to fraction form
    27,288.08/37,657.40 = 15,351.50/x
  3. Step 3: Cross multiply
    27,288.08x = 37,657.40 × 15,351.50
  4. Step 4: Simplify right side
    27,288.08x = 578,097,499.34
  5. Step 5: Solve for x
    x = 578,097,499.34/27,288.08
  6. Step 6: Final answer
    x = 21,184.98

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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.