Home / 28,285.80-39,041.46-16,356.01

Finding the Fourth Proportional to 28,285.80, 39,041.46 and 16,356.01

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Solution

The fourth proportional to 28,285.80, 39,041.46 and 16,356.01 is: 22,575.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,285.80 : 39,041.46 = 16,356.01 : x
  2. Step 2: Convert to fraction form
    28,285.80/39,041.46 = 16,356.01/x
  3. Step 3: Cross multiply
    28,285.80x = 39,041.46 × 16,356.01
  4. Step 4: Simplify right side
    28,285.80x = 638,562,510.17
  5. Step 5: Solve for x
    x = 638,562,510.17/28,285.80
  6. Step 6: Final answer
    x = 22,575.37

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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.