Home / 28,526.09-42,759.98-9,800.51

Finding the Fourth Proportional to 28,526.09, 42,759.98 and 9,800.51

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Solution

The fourth proportional to 28,526.09, 42,759.98 and 9,800.51 is: 14,690.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,526.09 : 42,759.98 = 9,800.51 : x
  2. Step 2: Convert to fraction form
    28,526.09/42,759.98 = 9,800.51/x
  3. Step 3: Cross multiply
    28,526.09x = 42,759.98 × 9,800.51
  4. Step 4: Simplify right side
    28,526.09x = 419,069,562.59
  5. Step 5: Solve for x
    x = 419,069,562.59/28,526.09
  6. Step 6: Final answer
    x = 14,690.75

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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.