Home / 28,302.08-42,425.44-15,828.16

Finding the Fourth Proportional to 28,302.08, 42,425.44 and 15,828.16

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Solution

The fourth proportional to 28,302.08, 42,425.44 and 15,828.16 is: 23,726.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,302.08 : 42,425.44 = 15,828.16 : x
  2. Step 2: Convert to fraction form
    28,302.08/42,425.44 = 15,828.16/x
  3. Step 3: Cross multiply
    28,302.08x = 42,425.44 × 15,828.16
  4. Step 4: Simplify right side
    28,302.08x = 671,516,652.39
  5. Step 5: Solve for x
    x = 671,516,652.39/28,302.08
  6. Step 6: Final answer
    x = 23,726.76

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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.