Home / 28,553.51-39,366.09-23,430.26

Finding the Fourth Proportional to 28,553.51, 39,366.09 and 23,430.26

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Solution

The fourth proportional to 28,553.51, 39,366.09 and 23,430.26 is: 32,302.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,553.51 : 39,366.09 = 23,430.26 : x
  2. Step 2: Convert to fraction form
    28,553.51/39,366.09 = 23,430.26/x
  3. Step 3: Cross multiply
    28,553.51x = 39,366.09 × 23,430.26
  4. Step 4: Simplify right side
    28,553.51x = 922,357,674.68
  5. Step 5: Solve for x
    x = 922,357,674.68/28,553.51
  6. Step 6: Final answer
    x = 32,302.78

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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.