Home / 28,061.79-38,717.15-17,303.01

Finding the Fourth Proportional to 28,061.79, 38,717.15 and 17,303.01

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Solution

The fourth proportional to 28,061.79, 38,717.15 and 17,303.01 is: 23,873.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,061.79 : 38,717.15 = 17,303.01 : x
  2. Step 2: Convert to fraction form
    28,061.79/38,717.15 = 17,303.01/x
  3. Step 3: Cross multiply
    28,061.79x = 38,717.15 × 17,303.01
  4. Step 4: Simplify right side
    28,061.79x = 669,923,147.11
  5. Step 5: Solve for x
    x = 669,923,147.11/28,061.79
  6. Step 6: Final answer
    x = 23,873.14

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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.