Home / 72,931.47-109,397.19-17,527.47

Finding the Fourth Proportional to 72,931.47, 109,397.19 and 17,527.47

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Solution

The fourth proportional to 72,931.47, 109,397.19 and 17,527.47 is: 26,291.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,931.47 : 109,397.19 = 17,527.47 : x
  2. Step 2: Convert to fraction form
    72,931.47/109,397.19 = 17,527.47/x
  3. Step 3: Cross multiply
    72,931.47x = 109,397.19 × 17,527.47
  4. Step 4: Simplify right side
    72,931.47x = 1,917,455,965.81
  5. Step 5: Solve for x
    x = 1,917,455,965.81/72,931.47
  6. Step 6: Final answer
    x = 26,291.20

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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.