Home / 34,886.13-48,125.93-20,728.95

Finding the Fourth Proportional to 34,886.13, 48,125.93 and 20,728.95

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Solution

The fourth proportional to 34,886.13, 48,125.93 and 20,728.95 is: 28,595.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,886.13 : 48,125.93 = 20,728.95 : x
  2. Step 2: Convert to fraction form
    34,886.13/48,125.93 = 20,728.95/x
  3. Step 3: Cross multiply
    34,886.13x = 48,125.93 × 20,728.95
  4. Step 4: Simplify right side
    34,886.13x = 997,599,893.03
  5. Step 5: Solve for x
    x = 997,599,893.03/34,886.13
  6. Step 6: Final answer
    x = 28,595.89

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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.