Home / 57,521.02-86,293.93-28,685.40

Finding the Fourth Proportional to 57,521.02, 86,293.93 and 28,685.40

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Solution

The fourth proportional to 57,521.02, 86,293.93 and 28,685.40 is: 43,034.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,521.02 : 86,293.93 = 28,685.40 : x
  2. Step 2: Convert to fraction form
    57,521.02/86,293.93 = 28,685.40/x
  3. Step 3: Cross multiply
    57,521.02x = 86,293.93 × 28,685.40
  4. Step 4: Simplify right side
    57,521.02x = 2,475,376,006.87
  5. Step 5: Solve for x
    x = 2,475,376,006.87/57,521.02
  6. Step 6: Final answer
    x = 43,034.29

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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.