Home / 26,316.20-36,312.36-14,981.60

Finding the Fourth Proportional to 26,316.20, 36,312.36 and 14,981.60

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Solution

The fourth proportional to 26,316.20, 36,312.36 and 14,981.60 is: 20,672.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,316.20 : 36,312.36 = 14,981.60 : x
  2. Step 2: Convert to fraction form
    26,316.20/36,312.36 = 14,981.60/x
  3. Step 3: Cross multiply
    26,316.20x = 36,312.36 × 14,981.60
  4. Step 4: Simplify right side
    26,316.20x = 544,017,252.58
  5. Step 5: Solve for x
    x = 544,017,252.58/26,316.20
  6. Step 6: Final answer
    x = 20,672.33

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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.