Home / 26,521.02-39,756.66-8,978.58

Finding the Fourth Proportional to 26,521.02, 39,756.66 and 8,978.58

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Solution

The fourth proportional to 26,521.02, 39,756.66 and 8,978.58 is: 13,459.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,521.02 : 39,756.66 = 8,978.58 : x
  2. Step 2: Convert to fraction form
    26,521.02/39,756.66 = 8,978.58/x
  3. Step 3: Cross multiply
    26,521.02x = 39,756.66 × 8,978.58
  4. Step 4: Simplify right side
    26,521.02x = 356,958,352.34
  5. Step 5: Solve for x
    x = 356,958,352.34/26,521.02
  6. Step 6: Final answer
    x = 13,459.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.