Home / 28,652.89-39,522.93-19,089.76

Finding the Fourth Proportional to 28,652.89, 39,522.93 and 19,089.76

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Solution

The fourth proportional to 28,652.89, 39,522.93 and 19,089.76 is: 26,331.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,652.89 : 39,522.93 = 19,089.76 : x
  2. Step 2: Convert to fraction form
    28,652.89/39,522.93 = 19,089.76/x
  3. Step 3: Cross multiply
    28,652.89x = 39,522.93 × 19,089.76
  4. Step 4: Simplify right side
    28,652.89x = 754,483,248.20
  5. Step 5: Solve for x
    x = 754,483,248.20/28,652.89
  6. Step 6: Final answer
    x = 26,331.84

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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.