Home / 26,426.34-39,637.49-9,778.55

Finding the Fourth Proportional to 26,426.34, 39,637.49 and 9,778.55

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Solution

The fourth proportional to 26,426.34, 39,637.49 and 9,778.55 is: 14,667.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,426.34 : 39,637.49 = 9,778.55 : x
  2. Step 2: Convert to fraction form
    26,426.34/39,637.49 = 9,778.55/x
  3. Step 3: Cross multiply
    26,426.34x = 39,637.49 × 9,778.55
  4. Step 4: Simplify right side
    26,426.34x = 387,596,930.76
  5. Step 5: Solve for x
    x = 387,596,930.76/26,426.34
  6. Step 6: Final answer
    x = 14,667.07

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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.