Home / 38,215.40-57,312-16,028.16

Finding the Fourth Proportional to 38,215.40, 57,312 and 16,028.16

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Solution

The fourth proportional to 38,215.40, 57,312 and 16,028.16 is: 24,037.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,215.40 : 57,312 = 16,028.16 : x
  2. Step 2: Convert to fraction form
    38,215.40/57,312 = 16,028.16/x
  3. Step 3: Cross multiply
    38,215.40x = 57,312 × 16,028.16
  4. Step 4: Simplify right side
    38,215.40x = 918,605,905.92
  5. Step 5: Solve for x
    x = 918,605,905.92/38,215.40
  6. Step 6: Final answer
    x = 24,037.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.