Home / 28,803.12-39,747.06-16,055.64

Finding the Fourth Proportional to 28,803.12, 39,747.06 and 16,055.64

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Solution

The fourth proportional to 28,803.12, 39,747.06 and 16,055.64 is: 22,156.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,803.12 : 39,747.06 = 16,055.64 : x
  2. Step 2: Convert to fraction form
    28,803.12/39,747.06 = 16,055.64/x
  3. Step 3: Cross multiply
    28,803.12x = 39,747.06 × 16,055.64
  4. Step 4: Simplify right side
    28,803.12x = 638,164,486.42
  5. Step 5: Solve for x
    x = 638,164,486.42/28,803.12
  6. Step 6: Final answer
    x = 22,156.09

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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.