Home / 28,260.02-38,996.16-16,929.32

Finding the Fourth Proportional to 28,260.02, 38,996.16 and 16,929.32

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Solution

The fourth proportional to 28,260.02, 38,996.16 and 16,929.32 is: 23,360.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,260.02 : 38,996.16 = 16,929.32 : x
  2. Step 2: Convert to fraction form
    28,260.02/38,996.16 = 16,929.32/x
  3. Step 3: Cross multiply
    28,260.02x = 38,996.16 × 16,929.32
  4. Step 4: Simplify right side
    28,260.02x = 660,178,471.41
  5. Step 5: Solve for x
    x = 660,178,471.41/28,260.02
  6. Step 6: Final answer
    x = 23,360.86

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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.