Home / 38,298.38-57,457.28-14,615.60

Finding the Fourth Proportional to 38,298.38, 57,457.28 and 14,615.60

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Solution

The fourth proportional to 38,298.38, 57,457.28 and 14,615.60 is: 21,927.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,298.38 : 57,457.28 = 14,615.60 : x
  2. Step 2: Convert to fraction form
    38,298.38/57,457.28 = 14,615.60/x
  3. Step 3: Cross multiply
    38,298.38x = 57,457.28 × 14,615.60
  4. Step 4: Simplify right side
    38,298.38x = 839,772,370.82
  5. Step 5: Solve for x
    x = 839,772,370.82/38,298.38
  6. Step 6: Final answer
    x = 21,927.10

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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.