Home / 39,095.20-58,645.28-15,718.40

Finding the Fourth Proportional to 39,095.20, 58,645.28 and 15,718.40

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Solution

The fourth proportional to 39,095.20, 58,645.28 and 15,718.40 is: 23,578.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,095.20 : 58,645.28 = 15,718.40 : x
  2. Step 2: Convert to fraction form
    39,095.20/58,645.28 = 15,718.40/x
  3. Step 3: Cross multiply
    39,095.20x = 58,645.28 × 15,718.40
  4. Step 4: Simplify right side
    39,095.20x = 921,809,969.15
  5. Step 5: Solve for x
    x = 921,809,969.15/39,095.20
  6. Step 6: Final answer
    x = 23,578.60

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1.5x scale

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.