Home / 30,877.26-42,594.96-19,527.64

Finding the Fourth Proportional to 30,877.26, 42,594.96 and 19,527.64

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Solution

The fourth proportional to 30,877.26, 42,594.96 and 19,527.64 is: 26,938.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,877.26 : 42,594.96 = 19,527.64 : x
  2. Step 2: Convert to fraction form
    30,877.26/42,594.96 = 19,527.64/x
  3. Step 3: Cross multiply
    30,877.26x = 42,594.96 × 19,527.64
  4. Step 4: Simplify right side
    30,877.26x = 831,779,044.69
  5. Step 5: Solve for x
    x = 831,779,044.69/30,877.26
  6. Step 6: Final answer
    x = 26,938.24

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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.