Home / 26,290.87-36,281.13-16,215.28

Finding the Fourth Proportional to 26,290.87, 36,281.13 and 16,215.28

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Solution

The fourth proportional to 26,290.87, 36,281.13 and 16,215.28 is: 22,376.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,290.87 : 36,281.13 = 16,215.28 : x
  2. Step 2: Convert to fraction form
    26,290.87/36,281.13 = 16,215.28/x
  3. Step 3: Cross multiply
    26,290.87x = 36,281.13 × 16,215.28
  4. Step 4: Simplify right side
    26,290.87x = 588,308,681.67
  5. Step 5: Solve for x
    x = 588,308,681.67/26,290.87
  6. Step 6: Final answer
    x = 22,376.92

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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.