Home / 26,312.96-39,390.60-19,392.32

Finding the Fourth Proportional to 26,312.96, 39,390.60 and 19,392.32

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Solution

The fourth proportional to 26,312.96, 39,390.60 and 19,392.32 is: 29,030.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,312.96 : 39,390.60 = 19,392.32 : x
  2. Step 2: Convert to fraction form
    26,312.96/39,390.60 = 19,392.32/x
  3. Step 3: Cross multiply
    26,312.96x = 39,390.60 × 19,392.32
  4. Step 4: Simplify right side
    26,312.96x = 763,875,120.19
  5. Step 5: Solve for x
    x = 763,875,120.19/26,312.96
  6. Step 6: Final answer
    x = 29,030.38

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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.