Home / 26,925.12-40,397.40-13,783.68

Finding the Fourth Proportional to 26,925.12, 40,397.40 and 13,783.68

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Solution

The fourth proportional to 26,925.12, 40,397.40 and 13,783.68 is: 20,680.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,925.12 : 40,397.40 = 13,783.68 : x
  2. Step 2: Convert to fraction form
    26,925.12/40,397.40 = 13,783.68/x
  3. Step 3: Cross multiply
    26,925.12x = 40,397.40 × 13,783.68
  4. Step 4: Simplify right side
    26,925.12x = 556,824,834.43
  5. Step 5: Solve for x
    x = 556,824,834.43/26,925.12
  6. Step 6: Final answer
    x = 20,680.50

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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.