Home / 39,810.04-59,725.32-28,578.40

Finding the Fourth Proportional to 39,810.04, 59,725.32 and 28,578.40

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Solution

The fourth proportional to 39,810.04, 59,725.32 and 28,578.40 is: 42,874.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,810.04 : 59,725.32 = 28,578.40 : x
  2. Step 2: Convert to fraction form
    39,810.04/59,725.32 = 28,578.40/x
  3. Step 3: Cross multiply
    39,810.04x = 59,725.32 × 28,578.40
  4. Step 4: Simplify right side
    39,810.04x = 1,706,853,643.57
  5. Step 5: Solve for x
    x = 1,706,853,643.57/39,810.04
  6. Step 6: Final answer
    x = 42,874.96

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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.