Home / 27,931.23-42,089.22-23,109.30

Finding the Fourth Proportional to 27,931.23, 42,089.22 and 23,109.30

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Solution

The fourth proportional to 27,931.23, 42,089.22 and 23,109.30 is: 34,823.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,931.23 : 42,089.22 = 23,109.30 : x
  2. Step 2: Convert to fraction form
    27,931.23/42,089.22 = 23,109.30/x
  3. Step 3: Cross multiply
    27,931.23x = 42,089.22 × 23,109.30
  4. Step 4: Simplify right side
    27,931.23x = 972,652,411.75
  5. Step 5: Solve for x
    x = 972,652,411.75/27,931.23
  6. Step 6: Final answer
    x = 34,823.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.