Home / 19,026.32-28,532.38-6,542.81

Finding the Fourth Proportional to 19,026.32, 28,532.38 and 6,542.81

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Solution

The fourth proportional to 19,026.32, 28,532.38 and 6,542.81 is: 9,811.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,026.32 : 28,532.38 = 6,542.81 : x
  2. Step 2: Convert to fraction form
    19,026.32/28,532.38 = 6,542.81/x
  3. Step 3: Cross multiply
    19,026.32x = 28,532.38 × 6,542.81
  4. Step 4: Simplify right side
    19,026.32x = 186,681,782.17
  5. Step 5: Solve for x
    x = 186,681,782.17/19,026.32
  6. Step 6: Final answer
    x = 9,811.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.