Home / 28,060.02-38,722.80-17,988.45

Finding the Fourth Proportional to 28,060.02, 38,722.80 and 17,988.45

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Solution

The fourth proportional to 28,060.02, 38,722.80 and 17,988.45 is: 24,824.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,060.02 : 38,722.80 = 17,988.45 : x
  2. Step 2: Convert to fraction form
    28,060.02/38,722.80 = 17,988.45/x
  3. Step 3: Cross multiply
    28,060.02x = 38,722.80 × 17,988.45
  4. Step 4: Simplify right side
    28,060.02x = 696,563,151.66
  5. Step 5: Solve for x
    x = 696,563,151.66/28,060.02
  6. Step 6: Final answer
    x = 24,824.04

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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.