Home / 26,320.95-39,501.47-19,319.72

Finding the Fourth Proportional to 26,320.95, 39,501.47 and 19,319.72

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Solution

The fourth proportional to 26,320.95, 39,501.47 and 19,319.72 is: 28,994.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,320.95 : 39,501.47 = 19,319.72 : x
  2. Step 2: Convert to fraction form
    26,320.95/39,501.47 = 19,319.72/x
  3. Step 3: Cross multiply
    26,320.95x = 39,501.47 × 19,319.72
  4. Step 4: Simplify right side
    26,320.95x = 763,157,190.78
  5. Step 5: Solve for x
    x = 763,157,190.78/26,320.95
  6. Step 6: Final answer
    x = 28,994.29

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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.