Home / 27,130.23-40,707.50-21,565.53

Finding the Fourth Proportional to 27,130.23, 40,707.50 and 21,565.53

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Solution

The fourth proportional to 27,130.23, 40,707.50 and 21,565.53 is: 32,357.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,130.23 : 40,707.50 = 21,565.53 : x
  2. Step 2: Convert to fraction form
    27,130.23/40,707.50 = 21,565.53/x
  3. Step 3: Cross multiply
    27,130.23x = 40,707.50 × 21,565.53
  4. Step 4: Simplify right side
    27,130.23x = 877,878,812.48
  5. Step 5: Solve for x
    x = 877,878,812.48/27,130.23
  6. Step 6: Final answer
    x = 32,357.96

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1.5x scale

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.