Home / 19,587.72-27,030.96-10,635.16

Finding the Fourth Proportional to 19,587.72, 27,030.96 and 10,635.16

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Solution

The fourth proportional to 19,587.72, 27,030.96 and 10,635.16 is: 14,676.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,587.72 : 27,030.96 = 10,635.16 : x
  2. Step 2: Convert to fraction form
    19,587.72/27,030.96 = 10,635.16/x
  3. Step 3: Cross multiply
    19,587.72x = 27,030.96 × 10,635.16
  4. Step 4: Simplify right side
    19,587.72x = 287,478,584.55
  5. Step 5: Solve for x
    x = 287,478,584.55/19,587.72
  6. Step 6: Final answer
    x = 14,676.47

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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.