Home / 28,599.55-39,466.35-15,853.29

Finding the Fourth Proportional to 28,599.55, 39,466.35 and 15,853.29

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Solution

The fourth proportional to 28,599.55, 39,466.35 and 15,853.29 is: 21,876.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,599.55 : 39,466.35 = 15,853.29 : x
  2. Step 2: Convert to fraction form
    28,599.55/39,466.35 = 15,853.29/x
  3. Step 3: Cross multiply
    28,599.55x = 39,466.35 × 15,853.29
  4. Step 4: Simplify right side
    28,599.55x = 625,671,491.79
  5. Step 5: Solve for x
    x = 625,671,491.79/28,599.55
  6. Step 6: Final answer
    x = 21,876.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.