Home / 19,285.02-28,903.77-10,971.99

Finding the Fourth Proportional to 19,285.02, 28,903.77 and 10,971.99

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Solution

The fourth proportional to 19,285.02, 28,903.77 and 10,971.99 is: 16,444.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,285.02 : 28,903.77 = 10,971.99 : x
  2. Step 2: Convert to fraction form
    19,285.02/28,903.77 = 10,971.99/x
  3. Step 3: Cross multiply
    19,285.02x = 28,903.77 × 10,971.99
  4. Step 4: Simplify right side
    19,285.02x = 317,131,875.40
  5. Step 5: Solve for x
    x = 317,131,875.40/19,285.02
  6. Step 6: Final answer
    x = 16,444.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.