Home / 23,888.72-32,967.12-15,709.28

Finding the Fourth Proportional to 23,888.72, 32,967.12 and 15,709.28

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Solution

The fourth proportional to 23,888.72, 32,967.12 and 15,709.28 is: 21,679.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,888.72 : 32,967.12 = 15,709.28 : x
  2. Step 2: Convert to fraction form
    23,888.72/32,967.12 = 15,709.28/x
  3. Step 3: Cross multiply
    23,888.72x = 32,967.12 × 15,709.28
  4. Step 4: Simplify right side
    23,888.72x = 517,889,718.87
  5. Step 5: Solve for x
    x = 517,889,718.87/23,888.72
  6. Step 6: Final answer
    x = 21,679.26

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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.