Home / 28,681.01-42,993.29-12,045.77

Finding the Fourth Proportional to 28,681.01, 42,993.29 and 12,045.77

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Solution

The fourth proportional to 28,681.01, 42,993.29 and 12,045.77 is: 18,056.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,681.01 : 42,993.29 = 12,045.77 : x
  2. Step 2: Convert to fraction form
    28,681.01/42,993.29 = 12,045.77/x
  3. Step 3: Cross multiply
    28,681.01x = 42,993.29 × 12,045.77
  4. Step 4: Simplify right side
    28,681.01x = 517,887,282.88
  5. Step 5: Solve for x
    x = 517,887,282.88/28,681.01
  6. Step 6: Final answer
    x = 18,056.80

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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.