Home / 26,040.24-39,011.40-12,877.20

Finding the Fourth Proportional to 26,040.24, 39,011.40 and 12,877.20

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Solution

The fourth proportional to 26,040.24, 39,011.40 and 12,877.20 is: 19,291.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,040.24 : 39,011.40 = 12,877.20 : x
  2. Step 2: Convert to fraction form
    26,040.24/39,011.40 = 12,877.20/x
  3. Step 3: Cross multiply
    26,040.24x = 39,011.40 × 12,877.20
  4. Step 4: Simplify right side
    26,040.24x = 502,357,600.08
  5. Step 5: Solve for x
    x = 502,357,600.08/26,040.24
  6. Step 6: Final answer
    x = 19,291.59

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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.