Home / 21,055.02-31,599.03-14,688.50

Finding the Fourth Proportional to 21,055.02, 31,599.03 and 14,688.50

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Solution

The fourth proportional to 21,055.02, 31,599.03 and 14,688.50 is: 22,044.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,055.02 : 31,599.03 = 14,688.50 : x
  2. Step 2: Convert to fraction form
    21,055.02/31,599.03 = 14,688.50/x
  3. Step 3: Cross multiply
    21,055.02x = 31,599.03 × 14,688.50
  4. Step 4: Simplify right side
    21,055.02x = 464,142,194.16
  5. Step 5: Solve for x
    x = 464,142,194.16/21,055.02
  6. Step 6: Final answer
    x = 22,044.25

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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.