Home / 28,332.72-42,460.20-17,925.84

Finding the Fourth Proportional to 28,332.72, 42,460.20 and 17,925.84

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Solution

The fourth proportional to 28,332.72, 42,460.20 and 17,925.84 is: 26,864.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,332.72 : 42,460.20 = 17,925.84 : x
  2. Step 2: Convert to fraction form
    28,332.72/42,460.20 = 17,925.84/x
  3. Step 3: Cross multiply
    28,332.72x = 42,460.20 × 17,925.84
  4. Step 4: Simplify right side
    28,332.72x = 761,134,751.57
  5. Step 5: Solve for x
    x = 761,134,751.57/28,332.72
  6. Step 6: Final answer
    x = 26,864.16

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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.