Home / 26,389.56-36,417.84-15,211.56

Finding the Fourth Proportional to 26,389.56, 36,417.84 and 15,211.56

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Solution

The fourth proportional to 26,389.56, 36,417.84 and 15,211.56 is: 20,992.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,389.56 : 36,417.84 = 15,211.56 : x
  2. Step 2: Convert to fraction form
    26,389.56/36,417.84 = 15,211.56/x
  3. Step 3: Cross multiply
    26,389.56x = 36,417.84 × 15,211.56
  4. Step 4: Simplify right side
    26,389.56x = 553,972,158.23
  5. Step 5: Solve for x
    x = 553,972,158.23/26,389.56
  6. Step 6: Final answer
    x = 20,992.10

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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.