Home / 28,061.86-42,075.35-13,801.93

Finding the Fourth Proportional to 28,061.86, 42,075.35 and 13,801.93

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Solution

The fourth proportional to 28,061.86, 42,075.35 and 13,801.93 is: 20,694.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,061.86 : 42,075.35 = 13,801.93 : x
  2. Step 2: Convert to fraction form
    28,061.86/42,075.35 = 13,801.93/x
  3. Step 3: Cross multiply
    28,061.86x = 42,075.35 × 13,801.93
  4. Step 4: Simplify right side
    28,061.86x = 580,721,035.43
  5. Step 5: Solve for x
    x = 580,721,035.43/28,061.86
  6. Step 6: Final answer
    x = 20,694.32

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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.