Home / 28,526.40-42,801.68-15,363.44

Finding the Fourth Proportional to 28,526.40, 42,801.68 and 15,363.44

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Solution

The fourth proportional to 28,526.40, 42,801.68 and 15,363.44 is: 23,051.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,526.40 : 42,801.68 = 15,363.44 : x
  2. Step 2: Convert to fraction form
    28,526.40/42,801.68 = 15,363.44/x
  3. Step 3: Cross multiply
    28,526.40x = 42,801.68 × 15,363.44
  4. Step 4: Simplify right side
    28,526.40x = 657,581,042.58
  5. Step 5: Solve for x
    x = 657,581,042.58/28,526.40
  6. Step 6: Final answer
    x = 23,051.67

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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.