Home / 28,354.12-42,506.52-11,703.76

Finding the Fourth Proportional to 28,354.12, 42,506.52 and 11,703.76

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Solution

The fourth proportional to 28,354.12, 42,506.52 and 11,703.76 is: 17,545.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,354.12 : 42,506.52 = 11,703.76 : x
  2. Step 2: Convert to fraction form
    28,354.12/42,506.52 = 11,703.76/x
  3. Step 3: Cross multiply
    28,354.12x = 42,506.52 × 11,703.76
  4. Step 4: Simplify right side
    28,354.12x = 497,486,108.52
  5. Step 5: Solve for x
    x = 497,486,108.52/28,354.12
  6. Step 6: Final answer
    x = 17,545.46

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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.