Home / 23,130.34-31,890.74-18,877.08

Finding the Fourth Proportional to 23,130.34, 31,890.74 and 18,877.08

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Solution

The fourth proportional to 23,130.34, 31,890.74 and 18,877.08 is: 26,026.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,130.34 : 31,890.74 = 18,877.08 : x
  2. Step 2: Convert to fraction form
    23,130.34/31,890.74 = 18,877.08/x
  3. Step 3: Cross multiply
    23,130.34x = 31,890.74 × 18,877.08
  4. Step 4: Simplify right side
    23,130.34x = 602,004,050.24
  5. Step 5: Solve for x
    x = 602,004,050.24/23,130.34
  6. Step 6: Final answer
    x = 26,026.60

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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.