Home / 38,390.05-53,005.28-26,929.32

Finding the Fourth Proportional to 38,390.05, 53,005.28 and 26,929.32

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Solution

The fourth proportional to 38,390.05, 53,005.28 and 26,929.32 is: 37,181.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,390.05 : 53,005.28 = 26,929.32 : x
  2. Step 2: Convert to fraction form
    38,390.05/53,005.28 = 26,929.32/x
  3. Step 3: Cross multiply
    38,390.05x = 53,005.28 × 26,929.32
  4. Step 4: Simplify right side
    38,390.05x = 1,427,396,038.21
  5. Step 5: Solve for x
    x = 1,427,396,038.21/38,390.05
  6. Step 6: Final answer
    x = 37,181.40

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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.