Home / 28,444.77-42,662.43-8,718.03

Finding the Fourth Proportional to 28,444.77, 42,662.43 and 8,718.03

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Solution

The fourth proportional to 28,444.77, 42,662.43 and 8,718.03 is: 13,075.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,444.77 : 42,662.43 = 8,718.03 : x
  2. Step 2: Convert to fraction form
    28,444.77/42,662.43 = 8,718.03/x
  3. Step 3: Cross multiply
    28,444.77x = 42,662.43 × 8,718.03
  4. Step 4: Simplify right side
    28,444.77x = 371,932,344.61
  5. Step 5: Solve for x
    x = 371,932,344.61/28,444.77
  6. Step 6: Final answer
    x = 13,075.60

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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.