Home / 28,027,966.80-42,041,950.20-25,760,485.20

Finding the Fourth Proportional to 28,027,966.80, 42,041,950.20 and 25,760,485.20

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Solution

The fourth proportional to 28,027,966.80, 42,041,950.20 and 25,760,485.20 is: 38,640,727.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,027,966.80 : 42,041,950.20 = 25,760,485.20 : x
  2. Step 2: Convert to fraction form
    28,027,966.80/42,041,950.20 = 25,760,485.20/x
  3. Step 3: Cross multiply
    28,027,966.80x = 42,041,950.20 × 25,760,485.20
  4. Step 4: Simplify right side
    28,027,966.80x = 1,083,021,035,906,237.12
  5. Step 5: Solve for x
    x = 1,083,021,035,906,237.12/28,027,966.80
  6. Step 6: Final answer
    x = 38,640,727.80

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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.