Home / 38,240.64-52,742.88-27,665.28

Finding the Fourth Proportional to 38,240.64, 52,742.88 and 27,665.28

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Solution

The fourth proportional to 38,240.64, 52,742.88 and 27,665.28 is: 38,156.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,240.64 : 52,742.88 = 27,665.28 : x
  2. Step 2: Convert to fraction form
    38,240.64/52,742.88 = 27,665.28/x
  3. Step 3: Cross multiply
    38,240.64x = 52,742.88 × 27,665.28
  4. Step 4: Simplify right side
    38,240.64x = 1,459,146,543.21
  5. Step 5: Solve for x
    x = 1,459,146,543.21/38,240.64
  6. Step 6: Final answer
    x = 38,156.96

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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.