Home / 28,599.66-39,465.54-15,852.72

Finding the Fourth Proportional to 28,599.66, 39,465.54 and 15,852.72

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Solution

The fourth proportional to 28,599.66, 39,465.54 and 15,852.72 is: 21,875.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,599.66 : 39,465.54 = 15,852.72 : x
  2. Step 2: Convert to fraction form
    28,599.66/39,465.54 = 15,852.72/x
  3. Step 3: Cross multiply
    28,599.66x = 39,465.54 × 15,852.72
  4. Step 4: Simplify right side
    28,599.66x = 625,636,155.27
  5. Step 5: Solve for x
    x = 625,636,155.27/28,599.66
  6. Step 6: Final answer
    x = 21,875.65

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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.