Home / 26,712.40-40,068.60-21,528.40

Finding the Fourth Proportional to 26,712.40, 40,068.60 and 21,528.40

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Solution

The fourth proportional to 26,712.40, 40,068.60 and 21,528.40 is: 32,292.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,712.40 : 40,068.60 = 21,528.40 : x
  2. Step 2: Convert to fraction form
    26,712.40/40,068.60 = 21,528.40/x
  3. Step 3: Cross multiply
    26,712.40x = 40,068.60 × 21,528.40
  4. Step 4: Simplify right side
    26,712.40x = 862,612,848.24
  5. Step 5: Solve for x
    x = 862,612,848.24/26,712.40
  6. Step 6: Final answer
    x = 32,292.60

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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.