Home / 28,306.10-38,959.31-24,926.78

Finding the Fourth Proportional to 28,306.10, 38,959.31 and 24,926.78

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Solution

The fourth proportional to 28,306.10, 38,959.31 and 24,926.78 is: 34,308.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,306.10 : 38,959.31 = 24,926.78 : x
  2. Step 2: Convert to fraction form
    28,306.10/38,959.31 = 24,926.78/x
  3. Step 3: Cross multiply
    28,306.10x = 38,959.31 × 24,926.78
  4. Step 4: Simplify right side
    28,306.10x = 971,130,024.69
  5. Step 5: Solve for x
    x = 971,130,024.69/28,306.10
  6. Step 6: Final answer
    x = 34,308.15

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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.