Home / 26,981.40-40,461.30-9,442.20

Finding the Fourth Proportional to 26,981.40, 40,461.30 and 9,442.20

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Solution

The fourth proportional to 26,981.40, 40,461.30 and 9,442.20 is: 14,159.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,981.40 : 40,461.30 = 9,442.20 : x
  2. Step 2: Convert to fraction form
    26,981.40/40,461.30 = 9,442.20/x
  3. Step 3: Cross multiply
    26,981.40x = 40,461.30 × 9,442.20
  4. Step 4: Simplify right side
    26,981.40x = 382,043,686.86
  5. Step 5: Solve for x
    x = 382,043,686.86/26,981.40
  6. Step 6: Final answer
    x = 14,159.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.