Home / 28,888.01-39,865.00-16,141.45

Finding the Fourth Proportional to 28,888.01, 39,865.00 and 16,141.45

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Solution

The fourth proportional to 28,888.01, 39,865.00 and 16,141.45 is: 22,274.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,888.01 : 39,865.00 = 16,141.45 : x
  2. Step 2: Convert to fraction form
    28,888.01/39,865.00 = 16,141.45/x
  3. Step 3: Cross multiply
    28,888.01x = 39,865.00 × 16,141.45
  4. Step 4: Simplify right side
    28,888.01x = 643,478,624.22
  5. Step 5: Solve for x
    x = 643,478,624.22/28,888.01
  6. Step 6: Final answer
    x = 22,274.94

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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.