Home / 26,389.74-36,417.90-14,290.36

Finding the Fourth Proportional to 26,389.74, 36,417.90 and 14,290.36

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Solution

The fourth proportional to 26,389.74, 36,417.90 and 14,290.36 is: 19,720.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,389.74 : 36,417.90 = 14,290.36 : x
  2. Step 2: Convert to fraction form
    26,389.74/36,417.90 = 14,290.36/x
  3. Step 3: Cross multiply
    26,389.74x = 36,417.90 × 14,290.36
  4. Step 4: Simplify right side
    26,389.74x = 520,424,901.44
  5. Step 5: Solve for x
    x = 520,424,901.44/26,389.74
  6. Step 6: Final answer
    x = 19,720.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.