Home / 28,576.04-39,417.75-18,885.56

Finding the Fourth Proportional to 28,576.04, 39,417.75 and 18,885.56

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Solution

The fourth proportional to 28,576.04, 39,417.75 and 18,885.56 is: 26,050.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,576.04 : 39,417.75 = 18,885.56 : x
  2. Step 2: Convert to fraction form
    28,576.04/39,417.75 = 18,885.56/x
  3. Step 3: Cross multiply
    28,576.04x = 39,417.75 × 18,885.56
  4. Step 4: Simplify right side
    28,576.04x = 744,426,282.69
  5. Step 5: Solve for x
    x = 744,426,282.69/28,576.04
  6. Step 6: Final answer
    x = 26,050.72

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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.