Home / 26,348.64-36,374.40-20,366.80

Finding the Fourth Proportional to 26,348.64, 36,374.40 and 20,366.80

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Solution

The fourth proportional to 26,348.64, 36,374.40 and 20,366.80 is: 28,116.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,348.64 : 36,374.40 = 20,366.80 : x
  2. Step 2: Convert to fraction form
    26,348.64/36,374.40 = 20,366.80/x
  3. Step 3: Cross multiply
    26,348.64x = 36,374.40 × 20,366.80
  4. Step 4: Simplify right side
    26,348.64x = 740,830,129.92
  5. Step 5: Solve for x
    x = 740,830,129.92/26,348.64
  6. Step 6: Final answer
    x = 28,116.45

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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.