Home / 21,587.15-29,790.77-12,027.67

Finding the Fourth Proportional to 21,587.15, 29,790.77 and 12,027.67

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Solution

The fourth proportional to 21,587.15, 29,790.77 and 12,027.67 is: 16,598.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,587.15 : 29,790.77 = 12,027.67 : x
  2. Step 2: Convert to fraction form
    21,587.15/29,790.77 = 12,027.67/x
  3. Step 3: Cross multiply
    21,587.15x = 29,790.77 × 12,027.67
  4. Step 4: Simplify right side
    21,587.15x = 358,313,490.47
  5. Step 5: Solve for x
    x = 358,313,490.47/21,587.15
  6. Step 6: Final answer
    x = 16,598.46

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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.