Home / 28,433.48-39,256.45-25,444.13

Finding the Fourth Proportional to 28,433.48, 39,256.45 and 25,444.13

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Solution

The fourth proportional to 28,433.48, 39,256.45 and 25,444.13 is: 35,129.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,433.48 : 39,256.45 = 25,444.13 : x
  2. Step 2: Convert to fraction form
    28,433.48/39,256.45 = 25,444.13/x
  3. Step 3: Cross multiply
    28,433.48x = 39,256.45 × 25,444.13
  4. Step 4: Simplify right side
    28,433.48x = 998,845,957.25
  5. Step 5: Solve for x
    x = 998,845,957.25/28,433.48
  6. Step 6: Final answer
    x = 35,129.22

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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.