Home / 38,465.04-53,073.52-28,915.14

Finding the Fourth Proportional to 38,465.04, 53,073.52 and 28,915.14

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Solution

The fourth proportional to 38,465.04, 53,073.52 and 28,915.14 is: 39,896.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,465.04 : 53,073.52 = 28,915.14 : x
  2. Step 2: Convert to fraction form
    38,465.04/53,073.52 = 28,915.14/x
  3. Step 3: Cross multiply
    38,465.04x = 53,073.52 × 28,915.14
  4. Step 4: Simplify right side
    38,465.04x = 1,534,628,261.09
  5. Step 5: Solve for x
    x = 1,534,628,261.09/38,465.04
  6. Step 6: Final answer
    x = 39,896.70

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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.