Home / 28,021.74-42,032.53-9,303.19

Finding the Fourth Proportional to 28,021.74, 42,032.53 and 9,303.19

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Solution

The fourth proportional to 28,021.74, 42,032.53 and 9,303.19 is: 13,954.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,021.74 : 42,032.53 = 9,303.19 : x
  2. Step 2: Convert to fraction form
    28,021.74/42,032.53 = 9,303.19/x
  3. Step 3: Cross multiply
    28,021.74x = 42,032.53 × 9,303.19
  4. Step 4: Simplify right side
    28,021.74x = 391,036,612.77
  5. Step 5: Solve for x
    x = 391,036,612.77/28,021.74
  6. Step 6: Final answer
    x = 13,954.76

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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.