Home / 21,875.02-32,772.90-10,038.70

Finding the Fourth Proportional to 21,875.02, 32,772.90 and 10,038.70

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Solution

The fourth proportional to 21,875.02, 32,772.90 and 10,038.70 is: 15,039.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,875.02 : 32,772.90 = 10,038.70 : x
  2. Step 2: Convert to fraction form
    21,875.02/32,772.90 = 10,038.70/x
  3. Step 3: Cross multiply
    21,875.02x = 32,772.90 × 10,038.70
  4. Step 4: Simplify right side
    21,875.02x = 328,997,311.23
  5. Step 5: Solve for x
    x = 328,997,311.23/21,875.02
  6. Step 6: Final answer
    x = 15,039.86

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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.