Home / 28,275.24-39,009.08-16,787.62

Finding the Fourth Proportional to 28,275.24, 39,009.08 and 16,787.62

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Solution

The fourth proportional to 28,275.24, 39,009.08 and 16,787.62 is: 23,160.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,275.24 : 39,009.08 = 16,787.62 : x
  2. Step 2: Convert to fraction form
    28,275.24/39,009.08 = 16,787.62/x
  3. Step 3: Cross multiply
    28,275.24x = 39,009.08 × 16,787.62
  4. Step 4: Simplify right side
    28,275.24x = 654,869,332.61
  5. Step 5: Solve for x
    x = 654,869,332.61/28,275.24
  6. Step 6: Final answer
    x = 23,160.52

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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.