Home / 28,748.06-39,657.81-16,803.59

Finding the Fourth Proportional to 28,748.06, 39,657.81 and 16,803.59

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Solution

The fourth proportional to 28,748.06, 39,657.81 and 16,803.59 is: 23,180.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,748.06 : 39,657.81 = 16,803.59 : x
  2. Step 2: Convert to fraction form
    28,748.06/39,657.81 = 16,803.59/x
  3. Step 3: Cross multiply
    28,748.06x = 39,657.81 × 16,803.59
  4. Step 4: Simplify right side
    28,748.06x = 666,393,579.54
  5. Step 5: Solve for x
    x = 666,393,579.54/28,748.06
  6. Step 6: Final answer
    x = 23,180.47

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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.