Home / 28,181.72-38,888.13-16,848.98

Finding the Fourth Proportional to 28,181.72, 38,888.13 and 16,848.98

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Solution

The fourth proportional to 28,181.72, 38,888.13 and 16,848.98 is: 23,250.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,181.72 : 38,888.13 = 16,848.98 : x
  2. Step 2: Convert to fraction form
    28,181.72/38,888.13 = 16,848.98/x
  3. Step 3: Cross multiply
    28,181.72x = 38,888.13 × 16,848.98
  4. Step 4: Simplify right side
    28,181.72x = 655,225,339.18
  5. Step 5: Solve for x
    x = 655,225,339.18/28,181.72
  6. Step 6: Final answer
    x = 23,250.01

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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.