Home / 28,383.16-42,574.74-15,897.28

Finding the Fourth Proportional to 28,383.16, 42,574.74 and 15,897.28

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Solution

The fourth proportional to 28,383.16, 42,574.74 and 15,897.28 is: 23,845.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,383.16 : 42,574.74 = 15,897.28 : x
  2. Step 2: Convert to fraction form
    28,383.16/42,574.74 = 15,897.28/x
  3. Step 3: Cross multiply
    28,383.16x = 42,574.74 × 15,897.28
  4. Step 4: Simplify right side
    28,383.16x = 676,822,562.71
  5. Step 5: Solve for x
    x = 676,822,562.71/28,383.16
  6. Step 6: Final answer
    x = 23,845.92

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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.