Home / 28,101.60-42,152.40-26,133.30

Finding the Fourth Proportional to 28,101.60, 42,152.40 and 26,133.30

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Solution

The fourth proportional to 28,101.60, 42,152.40 and 26,133.30 is: 39,199.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,101.60 : 42,152.40 = 26,133.30 : x
  2. Step 2: Convert to fraction form
    28,101.60/42,152.40 = 26,133.30/x
  3. Step 3: Cross multiply
    28,101.60x = 42,152.40 × 26,133.30
  4. Step 4: Simplify right side
    28,101.60x = 1,101,581,314.92
  5. Step 5: Solve for x
    x = 1,101,581,314.92/28,101.60
  6. Step 6: Final answer
    x = 39,199.95

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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.