Home / 28,064.08-42,083.73-10,521.61

Finding the Fourth Proportional to 28,064.08, 42,083.73 and 10,521.61

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Solution

The fourth proportional to 28,064.08, 42,083.73 and 10,521.61 is: 15,777.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,064.08 : 42,083.73 = 10,521.61 : x
  2. Step 2: Convert to fraction form
    28,064.08/42,083.73 = 10,521.61/x
  3. Step 3: Cross multiply
    28,064.08x = 42,083.73 × 10,521.61
  4. Step 4: Simplify right side
    28,064.08x = 442,788,594.41
  5. Step 5: Solve for x
    x = 442,788,594.41/28,064.08
  6. Step 6: Final answer
    x = 15,777.77

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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.