Home / 26,459.98-36,509.07-15,275.50

Finding the Fourth Proportional to 26,459.98, 36,509.07 and 15,275.50

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Solution

The fourth proportional to 26,459.98, 36,509.07 and 15,275.50 is: 21,076.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,459.98 : 36,509.07 = 15,275.50 : x
  2. Step 2: Convert to fraction form
    26,459.98/36,509.07 = 15,275.50/x
  3. Step 3: Cross multiply
    26,459.98x = 36,509.07 × 15,275.50
  4. Step 4: Simplify right side
    26,459.98x = 557,694,298.79
  5. Step 5: Solve for x
    x = 557,694,298.79/26,459.98
  6. Step 6: Final answer
    x = 21,076.90

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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.