Home / 27,737.02-38,277.09-15,807.28

Finding the Fourth Proportional to 27,737.02, 38,277.09 and 15,807.28

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Solution

The fourth proportional to 27,737.02, 38,277.09 and 15,807.28 is: 21,814.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,737.02 : 38,277.09 = 15,807.28 : x
  2. Step 2: Convert to fraction form
    27,737.02/38,277.09 = 15,807.28/x
  3. Step 3: Cross multiply
    27,737.02x = 38,277.09 × 15,807.28
  4. Step 4: Simplify right side
    27,737.02x = 605,056,679.22
  5. Step 5: Solve for x
    x = 605,056,679.22/27,737.02
  6. Step 6: Final answer
    x = 21,814.05

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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.