Home / 26,490.90-36,557.64-14,555.40

Finding the Fourth Proportional to 26,490.90, 36,557.64 and 14,555.40

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Solution

The fourth proportional to 26,490.90, 36,557.64 and 14,555.40 is: 20,086.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,490.90 : 36,557.64 = 14,555.40 : x
  2. Step 2: Convert to fraction form
    26,490.90/36,557.64 = 14,555.40/x
  3. Step 3: Cross multiply
    26,490.90x = 36,557.64 × 14,555.40
  4. Step 4: Simplify right side
    26,490.90x = 532,111,073.26
  5. Step 5: Solve for x
    x = 532,111,073.26/26,490.90
  6. Step 6: Final answer
    x = 20,086.56

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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.