Home / 30,852.93-42,576.86-17,428.53

Finding the Fourth Proportional to 30,852.93, 42,576.86 and 17,428.53

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Solution

The fourth proportional to 30,852.93, 42,576.86 and 17,428.53 is: 24,051.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,852.93 : 42,576.86 = 17,428.53 : x
  2. Step 2: Convert to fraction form
    30,852.93/42,576.86 = 17,428.53/x
  3. Step 3: Cross multiply
    30,852.93x = 42,576.86 × 17,428.53
  4. Step 4: Simplify right side
    30,852.93x = 742,051,994.67
  5. Step 5: Solve for x
    x = 742,051,994.67/30,852.93
  6. Step 6: Final answer
    x = 24,051.26

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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.