Home / 27,880.53-38,462.30-17,803.93

Finding the Fourth Proportional to 27,880.53, 38,462.30 and 17,803.93

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Solution

The fourth proportional to 27,880.53, 38,462.30 and 17,803.93 is: 24,561.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,880.53 : 38,462.30 = 17,803.93 : x
  2. Step 2: Convert to fraction form
    27,880.53/38,462.30 = 17,803.93/x
  3. Step 3: Cross multiply
    27,880.53x = 38,462.30 × 17,803.93
  4. Step 4: Simplify right side
    27,880.53x = 684,779,956.17
  5. Step 5: Solve for x
    x = 684,779,956.17/27,880.53
  6. Step 6: Final answer
    x = 24,561.22

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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.