Home / 43,802.42-60,426.20-28,688.43

Finding the Fourth Proportional to 43,802.42, 60,426.20 and 28,688.43

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Solution

The fourth proportional to 43,802.42, 60,426.20 and 28,688.43 is: 39,576.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,802.42 : 60,426.20 = 28,688.43 : x
  2. Step 2: Convert to fraction form
    43,802.42/60,426.20 = 28,688.43/x
  3. Step 3: Cross multiply
    43,802.42x = 60,426.20 × 28,688.43
  4. Step 4: Simplify right side
    43,802.42x = 1,733,532,767.29
  5. Step 5: Solve for x
    x = 1,733,532,767.29/43,802.42
  6. Step 6: Final answer
    x = 39,576.19

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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.