Home / 28,625.04-42,937.56-8,904.84

Finding the Fourth Proportional to 28,625.04, 42,937.56 and 8,904.84

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Solution

The fourth proportional to 28,625.04, 42,937.56 and 8,904.84 is: 13,357.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,625.04 : 42,937.56 = 8,904.84 : x
  2. Step 2: Convert to fraction form
    28,625.04/42,937.56 = 8,904.84/x
  3. Step 3: Cross multiply
    28,625.04x = 42,937.56 × 8,904.84
  4. Step 4: Simplify right side
    28,625.04x = 382,352,101.79
  5. Step 5: Solve for x
    x = 382,352,101.79/28,625.04
  6. Step 6: Final answer
    x = 13,357.26

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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.