Home / 38,347.52-52,920.72-20,885.96

Finding the Fourth Proportional to 38,347.52, 52,920.72 and 20,885.96

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Solution

The fourth proportional to 38,347.52, 52,920.72 and 20,885.96 is: 28,823.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,347.52 : 52,920.72 = 20,885.96 : x
  2. Step 2: Convert to fraction form
    38,347.52/52,920.72 = 20,885.96/x
  3. Step 3: Cross multiply
    38,347.52x = 52,920.72 × 20,885.96
  4. Step 4: Simplify right side
    38,347.52x = 1,105,300,041.09
  5. Step 5: Solve for x
    x = 1,105,300,041.09/38,347.52
  6. Step 6: Final answer
    x = 28,823.25

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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.