Home / 26,840.76-37,041.31-15,509.88

Finding the Fourth Proportional to 26,840.76, 37,041.31 and 15,509.88

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Solution

The fourth proportional to 26,840.76, 37,041.31 and 15,509.88 is: 21,404.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,840.76 : 37,041.31 = 15,509.88 : x
  2. Step 2: Convert to fraction form
    26,840.76/37,041.31 = 15,509.88/x
  3. Step 3: Cross multiply
    26,840.76x = 37,041.31 × 15,509.88
  4. Step 4: Simplify right side
    26,840.76x = 574,506,273.14
  5. Step 5: Solve for x
    x = 574,506,273.14/26,840.76
  6. Step 6: Final answer
    x = 21,404.25

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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.