Home / 26,920.72-40,354.85-12,877.08

Finding the Fourth Proportional to 26,920.72, 40,354.85 and 12,877.08

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Solution

The fourth proportional to 26,920.72, 40,354.85 and 12,877.08 is: 19,303.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,920.72 : 40,354.85 = 12,877.08 : x
  2. Step 2: Convert to fraction form
    26,920.72/40,354.85 = 12,877.08/x
  3. Step 3: Cross multiply
    26,920.72x = 40,354.85 × 12,877.08
  4. Step 4: Simplify right side
    26,920.72x = 519,652,631.84
  5. Step 5: Solve for x
    x = 519,652,631.84/26,920.72
  6. Step 6: Final answer
    x = 19,303.07

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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.