Home / 26,118.72-36,041.72-15,510.96

Finding the Fourth Proportional to 26,118.72, 36,041.72 and 15,510.96

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Solution

The fourth proportional to 26,118.72, 36,041.72 and 15,510.96 is: 21,403.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,118.72 : 36,041.72 = 15,510.96 : x
  2. Step 2: Convert to fraction form
    26,118.72/36,041.72 = 15,510.96/x
  3. Step 3: Cross multiply
    26,118.72x = 36,041.72 × 15,510.96
  4. Step 4: Simplify right side
    26,118.72x = 559,041,677.25
  5. Step 5: Solve for x
    x = 559,041,677.25/26,118.72
  6. Step 6: Final answer
    x = 21,403.87

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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.