Home / 21,056.02-31,600.53-14,689.50

Finding the Fourth Proportional to 21,056.02, 31,600.53 and 14,689.50

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Solution

The fourth proportional to 21,056.02, 31,600.53 and 14,689.50 is: 22,045.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,056.02 : 31,600.53 = 14,689.50 : x
  2. Step 2: Convert to fraction form
    21,056.02/31,600.53 = 14,689.50/x
  3. Step 3: Cross multiply
    21,056.02x = 31,600.53 × 14,689.50
  4. Step 4: Simplify right side
    21,056.02x = 464,195,985.44
  5. Step 5: Solve for x
    x = 464,195,985.44/21,056.02
  6. Step 6: Final answer
    x = 22,045.76

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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.