Home / 28,587.49-42,880.92-11,045.02

Finding the Fourth Proportional to 28,587.49, 42,880.92 and 11,045.02

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Solution

The fourth proportional to 28,587.49, 42,880.92 and 11,045.02 is: 16,567.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,587.49 : 42,880.92 = 11,045.02 : x
  2. Step 2: Convert to fraction form
    28,587.49/42,880.92 = 11,045.02/x
  3. Step 3: Cross multiply
    28,587.49x = 42,880.92 × 11,045.02
  4. Step 4: Simplify right side
    28,587.49x = 473,620,619.02
  5. Step 5: Solve for x
    x = 473,620,619.02/28,587.49
  6. Step 6: Final answer
    x = 16,567.41

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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.