Home / 28,041.40-38,697.42-15,467.32

Finding the Fourth Proportional to 28,041.40, 38,697.42 and 15,467.32

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Solution

The fourth proportional to 28,041.40, 38,697.42 and 15,467.32 is: 21,345.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,041.40 : 38,697.42 = 15,467.32 : x
  2. Step 2: Convert to fraction form
    28,041.40/38,697.42 = 15,467.32/x
  3. Step 3: Cross multiply
    28,041.40x = 38,697.42 × 15,467.32
  4. Step 4: Simplify right side
    28,041.40x = 598,545,378.31
  5. Step 5: Solve for x
    x = 598,545,378.31/28,041.40
  6. Step 6: Final answer
    x = 21,345.06

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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.