Home / 28,471.71-42,415.26-27,192.33

Finding the Fourth Proportional to 28,471.71, 42,415.26 and 27,192.33

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Solution

The fourth proportional to 28,471.71, 42,415.26 and 27,192.33 is: 40,509.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,471.71 : 42,415.26 = 27,192.33 : x
  2. Step 2: Convert to fraction form
    28,471.71/42,415.26 = 27,192.33/x
  3. Step 3: Cross multiply
    28,471.71x = 42,415.26 × 27,192.33
  4. Step 4: Simplify right side
    28,471.71x = 1,153,369,746.96
  5. Step 5: Solve for x
    x = 1,153,369,746.96/28,471.71
  6. Step 6: Final answer
    x = 40,509.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.