Home / 28,585.56-39,448.08-16,010.40

Finding the Fourth Proportional to 28,585.56, 39,448.08 and 16,010.40

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Solution

The fourth proportional to 28,585.56, 39,448.08 and 16,010.40 is: 22,094.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,585.56 : 39,448.08 = 16,010.40 : x
  2. Step 2: Convert to fraction form
    28,585.56/39,448.08 = 16,010.40/x
  3. Step 3: Cross multiply
    28,585.56x = 39,448.08 × 16,010.40
  4. Step 4: Simplify right side
    28,585.56x = 631,579,540.03
  5. Step 5: Solve for x
    x = 631,579,540.03/28,585.56
  6. Step 6: Final answer
    x = 22,094.36

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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.