Home / 26,387.65-36,417.04-15,054.54

Finding the Fourth Proportional to 26,387.65, 36,417.04 and 15,054.54

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Solution

The fourth proportional to 26,387.65, 36,417.04 and 15,054.54 is: 20,776.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,387.65 : 36,417.04 = 15,054.54 : x
  2. Step 2: Convert to fraction form
    26,387.65/36,417.04 = 15,054.54/x
  3. Step 3: Cross multiply
    26,387.65x = 36,417.04 × 15,054.54
  4. Step 4: Simplify right side
    26,387.65x = 548,241,785.36
  5. Step 5: Solve for x
    x = 548,241,785.36/26,387.65
  6. Step 6: Final answer
    x = 20,776.45

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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.