Home / 26,665.96-39,985.52-8,890.32

Finding the Fourth Proportional to 26,665.96, 39,985.52 and 8,890.32

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Solution

The fourth proportional to 26,665.96, 39,985.52 and 8,890.32 is: 13,331.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,665.96 : 39,985.52 = 8,890.32 : x
  2. Step 2: Convert to fraction form
    26,665.96/39,985.52 = 8,890.32/x
  3. Step 3: Cross multiply
    26,665.96x = 39,985.52 × 8,890.32
  4. Step 4: Simplify right side
    26,665.96x = 355,484,068.17
  5. Step 5: Solve for x
    x = 355,484,068.17/26,665.96
  6. Step 6: Final answer
    x = 13,331.01

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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.