Home / 38,026.60-52,476.40-21,897.08

Finding the Fourth Proportional to 38,026.60, 52,476.40 and 21,897.08

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Solution

The fourth proportional to 38,026.60, 52,476.40 and 21,897.08 is: 30,217.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,026.60 : 52,476.40 = 21,897.08 : x
  2. Step 2: Convert to fraction form
    38,026.60/52,476.40 = 21,897.08/x
  3. Step 3: Cross multiply
    38,026.60x = 52,476.40 × 21,897.08
  4. Step 4: Simplify right side
    38,026.60x = 1,149,079,928.91
  5. Step 5: Solve for x
    x = 1,149,079,928.91/38,026.60
  6. Step 6: Final answer
    x = 30,217.79

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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.